website: use https on badge examples

Closes #329
update website
use https for images and in the dialog

Closes #329
Add GitHub forks integration
Update try.html
Mention suggest in try.html
try: no more github license badge.
Capitalize P in WordPress

WordPress is spelled with a capital P, just wanted to fix that. Thanks!
talk guest room integration
Talk.ai switch to /t/ and add to try
SensioLabs Insight support #306