Feature Request: Emoji auto-complete in "Send message..." field

[Snaacky]

TheLounge implements this similar to Discord and other chat platforms where if you type ":" and two subsequent letters like ":gr" then it will suggest a list of possible emojis based on what you typed like so:

Seeing as emojis are otherwise already supported in Halloy for sending and receiving, this would be a nice feature to have.

[casperstorm]

This is a great idea. Thanks for suggesting.