reordered files to manage_playlists app

apps/main/templates/manage_playlists_import.html → apps/manage_playlists/templates/manage_playlists_import.html

@@ -2,7 +2,7 @@
 {% block content %}
 
 <div class="container-fluid">
-    <div class="d-flex justify-content-between flex-wrap flex-md-nowrap align-items-center pt-3 pb-2 mb-3 border-bottom border-2 border-light">
+    <div class="d-flex justify-content-between flex-wrap flex-md-nowrap align-items-center pt-3 pb-2 mb-3 border-bottom border-2 border-dark">
         <h1 class="h2">Import Public YouTube playlists</h1>
     </div>
     <br>