Add label for normal form in layout.html

layout.html

@@ -22,8 +22,8 @@
   <p><button id="btn">Add new input</button></p>
 
   <form>
-    <p><input type="text" name="username"></p>
-    <p><input type="password" name="password"></p>
+    <p><label>username: <input type="text" name="username"></label></p>
+    <p><label>password: <input type="password" name="password"></label></p>
     <p><input type="submit"></p>
   </form>