Complete support for text with siblings. Fix color codes in multi line bubbles. Fix bubbles life cycle. Lightened background texture a bit.

Add permission for command, update visuals for invisible entities, move bubbles' onTick() function call into WorldClient's tickEntity() because some entities override tick() function

Still need to work on styled text as it does not split up for now

Chat messages hook for players
Command /bubblesay for any entity