Docu - Create a new Add-on / WidgetSet

Flow
1

I want ot create a new Add-on with vaadin 7 with:
Clientside (with gwt)
Serverside
Connector

I have found a documentation for vaadin 6 in
https://vaadin.com/book/vaadin6/-/page/gwt.widgetset.html

Is there also a documentation for vaadin 7?
Where can i get some infos for it?

2

The Vaadin 7 docs are located at
https://vaadin.com/docs

Inside Vaadin Framework you will find also sections related to
client side widgets
 and
client-server integration