[NEW] Video conference

Also enables the video conferencing from the UserDetails fragment.

[IMPROVEMENT] Chat list UI improvements

[I18N] Add French and Some Hindi Translations

[FIX] About Screen in landscape view

[I18N] Portuguese (Portugal)

😠 no comments 😠

And now that I think of it, does make much sense in our gramar to have `escrevendo`...
Maybe I'm getting to used to talk to BR people 😁 
Probably the last correction.

Stupid typo in the singular form 😠

1st Portuguese translation attempt

:portugal: translations!

Enjoy!

🎉 😁

[IMPROVEMENT] Save the scroll Position of chatRoomsFragment

[REFACTOR] refactor app module

remove unwanted imports
handle arguments using elvis operator in activities and fragments
get rid of redundant return keyword in a single block method
handle deprecated function calls
handle non null assertion operator with elvis operator