chore(): Reorganize modules (#7210)

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

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

@@ -0,0 +1,14 @@
+import { ModuleExports } from "@medusajs/modules-sdk"
+import Loader from "./loaders"
+import LocalEventBus from "./services/event-bus-local"
+
+export const service = LocalEventBus
+export const loaders = [Loader]
+
+const moduleDefinition: ModuleExports = {
+  service,
+  loaders,
+}
+
+export default moduleDefinition
+export * from "./initialize"