Add feature flags, RS dashboard dummy

closes #124
refs #94

app/views/admin/users/show.html.erb

@@ -6,6 +6,10 @@
       <h3>Account</h3>
       <table class="divided">
         <tbody>
+          <tr>
+            <th>ID</th>
+            <td><%= @user.id %></td>
+          </tr>
           <tr>
             <th>Created at</th>
             <td><%= @user.created_at.strftime("%Y-%m-%d (%H:%M UTC)") %></td>

app/views/dashboard/index.html.erb

@@ -73,6 +73,17 @@
           </p>
         <% end %>
       </div>
+      <% if Setting.remotestorage_enabled? && Flipper.enabled?(:remotestorage, current_user) %>
+        <div class="border border-gray-300 rounded-md hover:border-gray-400">
+          <%= link_to services_storage_path,
+                class: "block h-full px-6 py-6 rounded-md" do %>
+            <h3 class="mb-3.5">Storage</h3>
+            <p class="text-gray-600">
+              Sync your data between apps and devices
+            </p>
+          <% end %>
+        </div>
+      <% end %>
       <!-- <div class="border border&#45;gray&#45;300 rounded&#45;md hover:border&#45;gray&#45;400 -->
       <!--             bg&#45;[length:80%] bg&#45;[right_top_&#45;30px] bg&#45;no&#45;repeat -->
       <!--             bg&#45;[url(/img/logos/icon_mastodon.svg)]"> -->

app/views/services/remotestorage/dashboard.html.erb

@@ -0,0 +1,7 @@
+<%= render HeaderComponent.new(title: "Storage") %>
+
+<%= render MainSimpleComponent.new do %>
+  <section>
+    <h3>Feature enabled</h3>
+  </section>
+<% end %>