Add admin page for web apps

app/views/admin/app_catalog/web_apps/index.html.erb

@@ -0,0 +1,52 @@
+<%= render HeaderComponent.new(title: "App Catalog") %>
+
+<%= render MainWithSidenavComponent.new(sidenav_partial: 'shared/admin_sidenav_app_catalog') do %>
+  <section>
+    <%= render QuickstatsContainerComponent.new do %>
+      <%= render QuickstatsItemComponent.new(
+          type: :number,
+          title: 'Known Web Apps',
+          value: @stats[:known_apps],
+      ) %>
+      <%# <%= render QuickstatsItemComponent.new(
+      <%#     type: :number,
+      <%#     title: 'Accepted',
+      <%#     value: @stats[:accepted],
+      <%# ) %>
+      <%# <%= render QuickstatsItemComponent.new(
+      <%#     type: :number,
+      <%#     title: 'Users with referrals',
+      <%#     value: @stats[:users_with_referrals],
+      <%#     meta: "/ #{User.count}"
+      <%# ) %>
+    <% end %>
+  </section>
+  <% if @web_apps.any? %>
+    <section>
+      <h3>Web Apps</h3>
+      <table class="divided mb-8">
+        <thead>
+          <tr>
+            <th>Name</th>
+            <th>URL</th>
+            <th class="hidden md:table-cell">RS Auths</th>
+            <th class="hidden md:table-cell">Created at</th>
+          </tr>
+        </thead>
+        <tbody>
+          <% @web_apps.each do |web_app| %>
+            <tr>
+              <td><%= web_app.name %></td>
+              <td><%= link_to web_app.url, web_app.url,
+                              target: "_blank", rel: "nofollow noopener",
+                              class: "ks-text-link" %></td>
+              <td class="hidden md:table-cell"><%= web_app.remote_storage_authorizations.count %></td>
+              <td class="hidden md:table-cell"><%= web_app.created_at %></td>
+            </tr>
+          <% end %>
+        </tbody>
+      </table>
+      <%== pagy_nav @pagy %>
+    </section>
+  <% end %>
+<% end %>