Fix CSP errors - migrate inline JS to stimulus controllers. Add a URL for applications so users can discover them

app/views/admin/applications/_form.html.erb

@@ -34,6 +34,12 @@
     <%= form.text_area :description, rows: 3, class: "mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-blue-500 focus:ring-blue-500 sm:text-sm", placeholder: "Optional description of this application" %>
   </div>
 
+  <div>
+    <%= form.label :landing_url, "Landing URL", class: "block text-sm font-medium text-gray-700" %>
+    <%= form.url_field :landing_url, class: "mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-blue-500 focus:ring-blue-500 sm:text-sm", placeholder: "https://app.example.com" %>
+    <p class="mt-1 text-sm text-gray-500">The main URL users will visit to access this application. This will be shown as a link on their dashboard.</p>
+  </div>
+
   <div>
     <%= form.label :app_type, "Application Type", class: "block text-sm font-medium text-gray-700" %>
     <%= form.select :app_type, [["OpenID Connect (OIDC)", "oidc"], ["Forward Auth (Reverse Proxy)", "forward_auth"]], {}, class: "mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-blue-500 focus:ring-blue-500 sm:text-sm", disabled: application.persisted? %>

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

@@ -59,6 +59,16 @@
             <% end %>
           </dd>
         </div>
+        <div class="sm:col-span-2">
+          <dt class="text-sm font-medium text-gray-500">Landing URL</dt>
+          <dd class="mt-1 text-sm text-gray-900">
+            <% if @application.landing_url.present? %>
+              <%= link_to @application.landing_url, @application.landing_url, target: "_blank", rel: "noopener noreferrer", class: "text-blue-600 hover:text-blue-800 underline" %>
+            <% else %>
+              <span class="text-gray-400 italic">Not configured</span>
+            <% end %>
+          </dd>
+        </div>
       </dl>
     </div>
   </div>