chore(): Reorganize modules (#7210)

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

packages/modules/link-modules/src/loaders/connection.ts

@@ -0,0 +1,35 @@
+import {
+  InternalModuleDeclaration,
+  LoaderOptions,
+  ModuleServiceInitializeCustomDataLayerOptions,
+  ModuleServiceInitializeOptions,
+} from "@medusajs/modules-sdk"
+import { ModulesSdkUtils } from "@medusajs/utils"
+
+import { EntitySchema } from "@mikro-orm/core"
+
+export function connectionLoader(entity: EntitySchema) {
+  return async (
+    {
+      options,
+      container,
+      logger,
+    }: LoaderOptions<
+      | ModuleServiceInitializeOptions
+      | ModuleServiceInitializeCustomDataLayerOptions
+    >,
+    moduleDeclaration?: InternalModuleDeclaration
+  ): Promise<void> => {
+    const pathToMigrations = __dirname + "/../migrations"
+
+    await ModulesSdkUtils.mikroOrmConnectionLoader({
+      moduleName: "link_module",
+      entities: [entity],
+      container,
+      options,
+      moduleDeclaration,
+      logger,
+      pathToMigrations,
+    })
+  }
+}