Lexical: Started converting drawio to TS

Converted events service to TS as part of this.

resources/js/global.d.ts

@@ -1,7 +1,9 @@
 import {ComponentStore} from "./services/components";
+import {EventManager} from "./services/events";
 
 declare global {
     interface Window {
         $components: ComponentStore,
+        $events: EventManager,
     }
 }