feat: Add support for batch method for products and product variants (#7038)

* feat(products): Add batch methods for product and variants

* chore: Rename batch validator and minor changes based on PR review

packages/types/src/common/batch.ts

@@ -0,0 +1,15 @@
+export type BatchMethodRequest<TCreate extends any, TUpdate extends any> = {
+  create?: TCreate[]
+  update?: TUpdate[]
+  delete?: string[]
+}
+
+export type BatchMethodResponse<T extends any> = {
+  created: T[]
+  updated: T[]
+  deleted: {
+    ids: string[]
+    object: string
+    deleted: boolean
+  }
+}

packages/types/src/common/index.ts

@@ -1,4 +1,5 @@
 export * from "./common"
 export * from "./rule"
+export * from "./batch"
 export * from "./config-module"
 export * from "./medusa-container"