Support for multiple and private rooms

[rnbguy]

Support for password-protected rooms and multiple rooms would be great. I feel the API can be built over chat commands.

Valid commands for admin

/create roomname [password]
/listrooms
/delete roomname [password]

Valid commands for any user

/switch roomname [password]

Can it be done by modifying only components/Chat.vue and io/index.js? Then I will look into it.