Refactor app in to its own slice

slices/main/templates/bookmarks/index.html.slim

@@ -0,0 +1,22 @@
+- context.content_for(:title, "Bookmarks | ")
+
+div class="flex justify-between prose dark:prose-invert max-w-prose mx-auto text-gray-800 dark:text-gray-200"
+  div
+    h1 Bookmarks
+
+div class="h-feed mb-12 max-w-prose mx-auto"
+  form action="/bookmarks" method="GET"
+    div class="flex"
+      div class="flex-auto basis-auto mr-4"
+        input id="search" type="text" class="p-1 rounded w-full bg-indigo-50 dark:bg-indigo-400" name="q" value=q
+      div class="mr-4"
+      	input type="submit" class="bg-indigo-300 p-1 rounded text-indigo-900" value="Search"
+      -if q
+        div class=""
+      	  a href="/bookmarks" class="text-gray-400 dark:text-gray-100 pt-1" Clear search
+
+div class="mb-12 max-w-prose mx-auto"
+  - bookmarks.each do |bookmark|
+    == render "shared/bookmark", bookmark: bookmark
+
+div class="max-w-screen-md mx-auto border-t border-solid border-gray-200 dark:border-gray-600"