Chatroom 2 (#10)

* Remove unused method. Don't panic if unknown room.

* Need a Connected() check for rooms publishing - don't do the work of rendering for a dead connection

* Make vars private.

* Linter issues

* Remove Connected()

* Mutation observer. Publish 4x / second.

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Co-authored-by: João Gonçalves <joao.goncalves01@gmail.com>

actiontrigger.go

@@ -83,7 +83,7 @@ func (a *actionTrigger) OnChange(options ...ActionTriggerOption) h.H {
 	return h.Data("on:change__debounce.200ms", buildOnExpr(actionURL(a.id), &opts))
 }
 
-// OneyDown returns a via.h DOM attribute that triggers when a key is pressed.
+// OnKeyDown returns a via.h DOM attribute that triggers when a key is pressed.
 // key: optional, see https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/key
 // Example: OnKeyDown("Enter")
 func (a *actionTrigger) OnKeyDown(key string, options ...ActionTriggerOption) h.H {