Replace bootstrap files by submodule

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "static/bs"]
+	path = static/bs
+	url = https://github.com/twbs/bootstrap

static/bs

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+Subproject commit 842da1ddc3873dc72a725266c8e59a81d31d1f20

static/bs/css/bootstrap-reboot.css

@@ -1,319 +0,0 @@
-/*!
- * Bootstrap Reboot v4.2.1 (https://getbootstrap.com/)
- * Copyright 2011-2018 The Bootstrap Authors
- * Copyright 2011-2018 Twitter, Inc.
- * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
- * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md)
- */
-*,
-*::before,
-*::after {
-  box-sizing: border-box;
-}
-
-html {
-  font-family: sans-serif;
-  line-height: 1.15;
-  -webkit-text-size-adjust: 100%;
-  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
-}
-
-article, aside, figcaption, figure, footer, header, hgroup, main, nav, section {
-  display: block;
-}
-
-body {
-  margin: 0;
-  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
-  font-size: 1rem;
-  font-weight: 400;
-  line-height: 1.5;
-  color: #212529;
-  text-align: left;
-  background-color: #fff;
-}
-
-[tabindex="-1"]:focus {
-  outline: 0 !important;
-}
-
-hr {
-  box-sizing: content-box;
-  height: 0;
-  overflow: visible;
-}
-
-h1, h2, h3, h4, h5, h6 {
-  margin-top: 0;
-  margin-bottom: 0.5rem;
-}
-
-p {
-  margin-top: 0;
-  margin-bottom: 1rem;
-}
-
-abbr[title],
-abbr[data-original-title] {
-  text-decoration: underline;
-  -webkit-text-decoration: underline dotted;
-  text-decoration: underline dotted;
-  cursor: help;
-  border-bottom: 0;
-  text-decoration-skip-ink: none;
-}
-
-address {
-  margin-bottom: 1rem;
-  font-style: normal;
-  line-height: inherit;
-}
-
-ol,
-ul,
-dl {
-  margin-top: 0;
-  margin-bottom: 1rem;
-}
-
-ol ol,
-ul ul,
-ol ul,
-ul ol {
-  margin-bottom: 0;
-}
-
-dt {
-  font-weight: 700;
-}
-
-dd {
-  margin-bottom: .5rem;
-  margin-left: 0;
-}
-
-blockquote {
-  margin: 0 0 1rem;
-}
-
-b,
-strong {
-  font-weight: bolder;
-}
-
-small {
-  font-size: 80%;
-}
-
-sub,
-sup {
-  position: relative;
-  font-size: 75%;
-  line-height: 0;
-  vertical-align: baseline;
-}
-
-sub {
-  bottom: -.25em;
-}
-
-sup {
-  top: -.5em;
-}
-
-a {
-  color: #007bff;
-  text-decoration: none;
-  background-color: transparent;
-}
-
-a:hover {
-  color: #0056b3;
-  text-decoration: underline;
-}
-
-a:not([href]):not([tabindex]) {
-  color: inherit;
-  text-decoration: none;
-}
-
-a:not([href]):not([tabindex]):hover, a:not([href]):not([tabindex]):focus {
-  color: inherit;
-  text-decoration: none;
-}
-
-a:not([href]):not([tabindex]):focus {
-  outline: 0;
-}
-
-pre,
-code,
-kbd,
-samp {
-  font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
-  font-size: 1em;
-}
-
-pre {
-  margin-top: 0;
-  margin-bottom: 1rem;
-  overflow: auto;
-}
-
-figure {
-  margin: 0 0 1rem;
-}
-
-img {
-  vertical-align: middle;
-  border-style: none;
-}
-
-svg {
-  overflow: hidden;
-  vertical-align: middle;
-}
-
-table {
-  border-collapse: collapse;
-}
-
-caption {
-  padding-top: 0.75rem;
-  padding-bottom: 0.75rem;
-  color: #6c757d;
-  text-align: left;
-  caption-side: bottom;
-}
-
-th {
-  text-align: inherit;
-}
-
-label {
-  display: inline-block;
-  margin-bottom: 0.5rem;
-}
-
-button {
-  border-radius: 0;
-}
-
-button:focus {
-  outline: 1px dotted;
-  outline: 5px auto -webkit-focus-ring-color;
-}
-
-input,
-button,
-select,
-optgroup,
-textarea {
-  margin: 0;
-  font-family: inherit;
-  font-size: inherit;
-  line-height: inherit;
-}
-
-button,
-input {
-  overflow: visible;
-}
-
-button,
-select {
-  text-transform: none;
-}
-
-button,
-[type="button"],
-[type="reset"],
-[type="submit"] {
-  -webkit-appearance: button;
-}
-
-button::-moz-focus-inner,
-[type="button"]::-moz-focus-inner,
-[type="reset"]::-moz-focus-inner,
-[type="submit"]::-moz-focus-inner {
-  padding: 0;
-  border-style: none;
-}
-
-input[type="radio"],
-input[type="checkbox"] {
-  box-sizing: border-box;
-  padding: 0;
-}
-
-input[type="date"],
-input[type="time"],
-input[type="datetime-local"],
-input[type="month"] {
-  -webkit-appearance: listbox;
-}
-
-textarea {
-  overflow: auto;
-  resize: vertical;
-}
-
-fieldset {
-  min-width: 0;
-  padding: 0;
-  margin: 0;
-  border: 0;
-}
-
-legend {
-  display: block;
-  width: 100%;
-  max-width: 100%;
-  padding: 0;
-  margin-bottom: .5rem;
-  font-size: 1.5rem;
-  line-height: inherit;
-  color: inherit;
-  white-space: normal;
-}
-
-progress {
-  vertical-align: baseline;
-}
-
-[type="number"]::-webkit-inner-spin-button,
-[type="number"]::-webkit-outer-spin-button {
-  height: auto;
-}
-
-[type="search"] {
-  outline-offset: -2px;
-  -webkit-appearance: none;
-}
-
-[type="search"]::-webkit-search-decoration {
-  -webkit-appearance: none;
-}
-
-::-webkit-file-upload-button {
-  font: inherit;
-  -webkit-appearance: button;
-}
-
-output {
-  display: inline-block;
-}
-
-summary {
-  display: list-item;
-  cursor: pointer;
-}
-
-template {
-  display: none;
-}
-
-[hidden] {
-  display: none !important;
-}
-/*# sourceMappingURL=bootstrap-reboot.css.map */

static/bs/css/bootstrap-reboot.min.css

@@ -1,8 +0,0 @@
-/*!
- * Bootstrap Reboot v4.2.1 (https://getbootstrap.com/)
- * Copyright 2011-2018 The Bootstrap Authors
- * Copyright 2011-2018 Twitter, Inc.
- * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
- * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md)
- */*,::after,::before{box-sizing:border-box}html{font-family:sans-serif;line-height:1.15;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}article,aside,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;text-align:left;background-color:#fff}[tabindex="-1"]:focus{outline:0!important}hr{box-sizing:content-box;height:0;overflow:visible}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem}p{margin-top:0;margin-bottom:1rem}abbr[data-original-title],abbr[title]{text-decoration:underline;-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;border-bottom:0;text-decoration-skip-ink:none}address{margin-bottom:1rem;font-style:normal;line-height:inherit}dl,ol,ul{margin-top:0;margin-bottom:1rem}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}dt{font-weight:700}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}b,strong{font-weight:bolder}small{font-size:80%}sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:#007bff;text-decoration:none;background-color:transparent}a:hover{color:#0056b3;text-decoration:underline}a:not([href]):not([tabindex]){color:inherit;text-decoration:none}a:not([href]):not([tabindex]):focus,a:not([href]):not([tabindex]):hover{color:inherit;text-decoration:none}a:not([href]):not([tabindex]):focus{outline:0}code,kbd,pre,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:1em}pre{margin-top:0;margin-bottom:1rem;overflow:auto}figure{margin:0 0 1rem}img{vertical-align:middle;border-style:none}svg{overflow:hidden;vertical-align:middle}table{border-collapse:collapse}caption{padding-top:.75rem;padding-bottom:.75rem;color:#6c757d;text-align:left;caption-side:bottom}th{text-align:inherit}label{display:inline-block;margin-bottom:.5rem}button{border-radius:0}button:focus{outline:1px dotted;outline:5px auto -webkit-focus-ring-color}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,input{overflow:visible}button,select{text-transform:none}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner,button::-moz-focus-inner{padding:0;border-style:none}input[type=checkbox],input[type=radio]{box-sizing:border-box;padding:0}input[type=date],input[type=datetime-local],input[type=month],input[type=time]{-webkit-appearance:listbox}textarea{overflow:auto;resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{display:block;width:100%;max-width:100%;padding:0;margin-bottom:.5rem;font-size:1.5rem;line-height:inherit;color:inherit;white-space:normal}progress{vertical-align:baseline}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:none}[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}summary{display:list-item;cursor:pointer}template{display:none}[hidden]{display:none!important}
-/*# sourceMappingURL=bootstrap-reboot.min.css.map */