added particlesJS; added new landing github-fok; moved events from
chatMessageDashboard to chatWindowDashboar

The scrollListener is build up on top of the chatMessage window. It
listens to possible rendered messages and act upon it.

Translated texts

Revert "Created and pushed by LingoHub. Project: 'Rocket.Chat' by User: 'marcelo.schmidt@konecty.com'."

This reverts commit 3236018d.

Language restructuring

Change language in settings menu;