Always show usernames

[dsultanr]

Is it possible to detach the constant 2 at this line to a config variable?

https://github.com/antoine92190/vue-advanced-chat/blob/c7d18a594237a80c1ad4c7d14faa4e4faad75c66/src/lib/Message/Message.vue#L57

I need to always show the usernames. Even if the users count in the room is less than 3

this is the example of how it looks like in the Slack

[antoine92190]

Indeed, will add that soon.

[antoine92190]

Prop added in 0bd2e30