Issue #2610344 by mikeker, dimaro, mohit_aghera, andriyun, anil280988,...

Issue #2610344 by mikeker, dimaro, mohit_aghera, andriyun, anil280988, Cottser, joelpittet: Re-add some documentation about what you can get from the node object in node.html.twig

(cherry picked from commit 526501d0)