Added in a cookie popup and proper newsletter functionality

Signed-off-by: rodude123 <rodude123@gmail.com>

src/editor/js/index.js

@@ -63,7 +63,13 @@ document.querySelector("#login form").addEventListener("submit", e =>
                 showErrorMessage("Please type in a username and password.", "login");
                 return;
             }
-            showErrorMessage("Invalid username or password.", "login");
+            if (res.status === 401)
+            {
+                showErrorMessage('Invalid username or password.', 'login');
+                return;
+            }
+            
+            showErrorMessage(json.error, 'login');
         }));
        return; 
     }