Add sticker popup
Add send sticker message
Add ability to select sticker pack and show stickers for pack with scroll
1. Sticker history
2. Install sticker packs
3. Sticker market
1. Sticker packs are installed on app start up until installation of sticker pack functionality is added
2. Optimisations such as preloading images to be done so that sticker images are not downloaded each time.
simply chat views by reacting to model events
abstract join event from join event call; react to join channel event
remove unneded if else
move left channel to event
refactor getChannelColor
refactor getChannelColor
rename sendMessage method
cleanup
move random color to channels list
remove toChatType
remove toChatType