Add support for resizing workspace panels (#443)

* Resize panels

* Removing move_selection test pending #444 resolved

* Bind event listners and cursor to the document

* Fix flex grow on document being reset when drawing

* Call onresize when the boundry is dragged

* Add min panel size

* Add explicit function return types

* Dispatch resize event

* Lock pointer instead of setting cursor on document

Co-authored-by: otdavies <oliver@psyfer.io>
Co-authored-by: Keavon Chambers <keavon@keavon.com>

frontend/src/App.vue

@@ -241,7 +241,7 @@ declare module "@vue/runtime-core" {
 		editor: EditorState;
 		// This must be set to optional because there is a time in the lifecycle of the component where inputManager is undefined.
 		// That's because we initialize inputManager in `mounted()` rather than `data()` since the div hasn't been created yet.
-		inputManger?: InputManager;
+		inputManager?: InputManager;
 	}
 }