Layout system implementation and applied to tool options bar (#499)

* initial layout system with tool options

* cargo fmt

* cargo fmt again

* document bar defined on the backend

* cargo fmt

* removed RC<RefCell>

* cargo fmt

* - fix increment behavior
- removed hashmap from layout message handler
- removed no op message from layoutMessage

* cargo fmt

* only send documentBar when zoom or rotation is updated

* ctrl-0 changes zoom properly

* Code review changes

Co-authored-by: Keavon Chambers <keavon@keavon.com>

frontend/src/state/dialog.ts

@@ -1,6 +1,6 @@
 import { reactive, readonly } from "vue";
 
-import { DisplayDialogAboutGraphite } from "@/dispatcher/js-messages";
+import { DisplayDialogAboutGraphite, DisplayDialogComingSoon } from "@/dispatcher/js-messages";
 import { EditorState } from "@/state/wasm-loader";
 import { IconName } from "@/utilities/icons";
 import { stripIndents } from "@/utilities/strip-indents";
@@ -107,6 +107,7 @@ export function createDialogState(editor: EditorState) {
 
 	// Run on creation
 	editor.dispatcher.subscribeJsMessage(DisplayDialogAboutGraphite, () => onAboutHandler());
+	editor.dispatcher.subscribeJsMessage(DisplayDialogComingSoon, (displayDialogComingSoon) => comingSoon(displayDialogComingSoon.issue));
 
 	return {
 		state: readonly(state),