feat: add clearfix to content container

Modified the content container in the HTML template to include an ID for easier styling. Added a clearfix using CSS after pseudo-element to ensure proper behavior and layout flow. This resolves layout issues caused by floating elements within the container.

src/gitcloak/assets/css/style.css

@@ -57,6 +57,12 @@ body {
     padding: 0 10px;
 }
 
+#content-div::after {
+    content: " ";
+    display: block;
+    height: 50px;
+}
+
 .footer {
     position: fixed;
     bottom: 0;

src/gitcloak/templates/base.html

@@ -11,7 +11,7 @@
     <nav class="navbar navbar-dark bg-dark">
         <a class="navbar-brand" href="/">GitCloak</a>
     </nav>
-    <div class="container mt-4">
+    <div id="content-div" class="container mt-4">
         {% block content %}{% endblock %}
     </div>
     <footer class="footer mt-auto py-3 bg-dark text-white">