* Add documentation for hangouts and notify.hangouts components
* use {% configuration %}
* name is not required
* Update hangouts.markdown
remove email and password from config
add integrations description
* Update hangouts.markdown
Add notice for 2fa
* Typo
* More fixes
* Update notify.hangouts.markdown
* Update notify.hangouts.markdown
add hint to hangouts.conversations
* cleaner doc removing name option from conversations entries
