diff --git a/.idea/misc.xml b/.idea/misc.xml
index efbef40d..7158618b 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,5 +1,32 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="EntryPointsManager">
+    <entry_points version="2.0" />
+  </component>
+  <component name="NullableNotNullManager">
+    <option name="myDefaultNullable" value="android.support.annotation.Nullable" />
+    <option name="myDefaultNotNull" value="android.support.annotation.NonNull" />
+    <option name="myNullables">
+      <value>
+        <list size="4">
+          <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.Nullable" />
+          <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nullable" />
+          <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.Nullable" />
+          <item index="3" class="java.lang.String" itemvalue="android.support.annotation.Nullable" />
+        </list>
+      </value>
+    </option>
+    <option name="myNotNulls">
+      <value>
+        <list size="4">
+          <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.NotNull" />
+          <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nonnull" />
+          <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.NonNull" />
+          <item index="3" class="java.lang.String" itemvalue="android.support.annotation.NonNull" />
+        </list>
+      </value>
+    </option>
+  </component>
   <component name="ProjectLevelVcsManager" settingsEditedManually="false">
     <OptionsSetting value="true" id="Add" />
     <OptionsSetting value="true" id="Remove" />
diff --git a/gifs/delete.gif b/gifs/delete.gif
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diff --git a/gifs/main.gif b/gifs/main.gif
deleted file mode 100644
index 51336817..00000000
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diff --git a/gifs/rearrange.gif b/gifs/rearrange.gif
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diff --git a/gifs/rename.gif b/gifs/rename.gif
deleted file mode 100644
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diff --git a/media/add_720p.mp4 b/media/add_720p.mp4
new file mode 100644
index 00000000..04dc8e58
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diff --git a/media/delete_720p.mp4 b/media/delete_720p.mp4
new file mode 100644
index 00000000..de76a2aa
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diff --git a/gifs/icon.png b/media/icon.png
similarity index 100%
rename from gifs/icon.png
rename to media/icon.png
diff --git a/media/overview_720p.mp4 b/media/overview_720p.mp4
new file mode 100644
index 00000000..c35e7bc6
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diff --git a/gifs/qr.png b/media/qr.png
similarity index 100%
rename from gifs/qr.png
rename to media/qr.png
diff --git a/media/rearrange_720p.mp4 b/media/rearrange_720p.mp4
new file mode 100644
index 00000000..0d50cb8f
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diff --git a/media/rename_720p.mp4 b/media/rename_720p.mp4
new file mode 100644
index 00000000..e46a34df
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