fix(welcome): typo in the last name label

src/welcome.html

@@ -8,7 +8,7 @@ <h2>${heading}</h2>
         <input type="text" value.bind="firstName" class="form-control" id="fn" placeholder="first name">
       </div>
       <div class="form-group">
-        <label for="ln">Password</label>
+        <label for="ln">Last Name</label>
         <input type="text" value.bind="lastName" class="form-control" id="ln" placeholder="last name">
       </div>
       <div class="form-group">