chore(): Reorganize modules (#7210)

**What**
Move all modules to the modules directory

packages/modules/event-bus-local/src/initialize/index.ts

@@ -0,0 +1,12 @@
+import { MedusaModule, Modules } from "@medusajs/modules-sdk"
+import { IEventBusService } from "@medusajs/types"
+
+export const initialize = async (): Promise<IEventBusService> => {
+  const serviceKey = Modules.EVENT_BUS
+  const loaded = await MedusaModule.bootstrap<IEventBusService>({
+    moduleKey: serviceKey,
+    defaultPath: "@medusajs/event-bus-local",
+  })
+
+  return loaded[serviceKey]
+}