Fix edit action link

backend/templates/edit.html

@@ -4,7 +4,7 @@
 <div class="edit-form">
 
 
-    <form class="pure-form pure-form-stacked" action="/edit?uuid={{uuid}}" method="POST">
+    <form class="pure-form pure-form-stacked" action="/edit/{{uuid}}" method="POST">
         <fieldset>
             <div class="pure-control-group">
                 <label for="url">URL</label>