feat(locking): Locking module (#9524)

**What**
- Locking Module to manage concurrency
- Default `in-memory` provider

packages/modules/locking/src/services/locking-provider.ts

@@ -0,0 +1,40 @@
+import { Constructor, ILockingProvider } from "@medusajs/framework/types"
+import { MedusaError } from "@medusajs/framework/utils"
+import { LockingProviderRegistrationPrefix } from "../types"
+
+type InjectedDependencies = {
+  [key: `lp_${string}`]: ILockingProvider
+}
+
+export default class LockingProviderService {
+  protected __container__: InjectedDependencies
+
+  constructor(container: InjectedDependencies) {
+    this.__container__ = container
+  }
+
+  static getRegistrationIdentifier(
+    providerClass: Constructor<ILockingProvider>
+  ) {
+    if (!(providerClass as any).identifier) {
+      throw new MedusaError(
+        MedusaError.Types.INVALID_ARGUMENT,
+        `Trying to register a locking provider without an identifier.`
+      )
+    }
+    return `${(providerClass as any).identifier}`
+  }
+
+  public retrieveProviderRegistration(providerId: string): ILockingProvider {
+    try {
+      return this.__container__[
+        `${LockingProviderRegistrationPrefix}${providerId}`
+      ]
+    } catch (err) {
+      throw new MedusaError(
+        MedusaError.Types.NOT_FOUND,
+        `Could not find a locking provider with id: ${providerId}`
+      )
+    }
+  }
+}