Can edit username in user settings page

Right yeah, this just works once we add it to the view! People will be pleased about this :3

Also change the title to Settings!

app/views/devise/registrations/edit.html.erb

@@ -1,8 +1,13 @@
-<h2>Edit <%= resource_name.to_s.humanize %></h2>
+<h2>Settings</h2>
 
 <%= form_for(resource, as: resource_name, url: registration_path(resource_name), html: { method: :put }) do |f| %>
   <%= render "devise/shared/error_messages", resource: resource %>
 
+  <div class="field">
+    <%= f.label :name, 'Username' %><br />
+    <%= f.text_field :name, autofocus: true, autocomplete: "username" %>
+  </div>
+
   <div class="field">
     <%= f.label :email %><br />
     <%= f.email_field :email, autofocus: true, autocomplete: "email" %>