Can set Matrix access token

templates/index.html

@@ -32,6 +32,20 @@
 
 
 <div class="body-content">
+    <!-- Success message -->
+    {% if let Some(msg) = success_message %}
+    <div class="alert alert-success">
+        {{ msg }}
+    </div>
+    {% endif %}
+
+    <!-- Error message -->
+    {% if let Some(msg) = error_message %}
+    <div class="alert alert-danger">
+        {{ msg }}
+    </div>
+    {% endif %}
+
     <!-- Matrix authentication token -->
     <div class="card border-light mb-3">
         <div class="card-header">Matrix authentication token</div>
@@ -50,11 +64,11 @@
 
             <p>Tip: you can rename the session to easily identify it among all your other sessions!</p>
 
-            <form action="/set_matrix_access_token">
+            <form action="/" method="post">
                 <div>
                     <label for="accessTokenInput" class="form-label mt-4">New Matrix access token</label>
                     <input type="text" class="form-control" id="accessTokenInput" aria-describedby="tokenHelp"
-                           placeholder="{{ matrix_token }}" required minlength="2"/>
+                           placeholder="{{ matrix_token }}" required minlength="2" name="new_matrix_token"/>
                     <small id="tokenHelp" class="form-text text-muted">Changing this value will reset all active
                         connections
                         to Matrix GW.</small>