feat: integration page #41

adapters/secondary/gateways/web/templates/login.html

@@ -58,6 +58,10 @@
         <div class="alert alert-success my-4" role="alert">
             {{ .Success }}
         </div>
+        {{ else if .Failure }}
+        <div class="alert alert-danger my-4" role="alert">
+            {{ .Failure }}
+        </div>
         {{ end }}
     </div>
 </div>