slash commands for real time chat

This add-on adds various slash commands to the chat, thereby expanding it's capabilities. Features: Adds the command "Shrug": ¯\_(ツ)_/¯) Adds the command "TableFlip": (╯°□°）╯︵ ┻━┻ Adds the command "UnFlip": ┬─┬ ノ( ゜-゜ノ)