feat(templates): Add shitty little response form in thread view

templates/index.html

@@ -11,7 +11,7 @@
       {%- endfor %}
     </ul>
     <hr>
-    <form action="/thread" method="post">
+    <form action="/thread/submit" method="post">
       <div>
         <label for="title">Title:</label>
         <input type="text" id="title" name="title">