feat(locking): Locking module (#9524)

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

packages/modules/locking/package.json

@@ -0,0 +1,50 @@
+{
+  "name": "@medusajs/locking",
+  "version": "0.0.1",
+  "description": "Locking Module for Medusa",
+  "main": "dist/index.js",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/medusajs/medusa",
+    "directory": "packages/locking"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "author": "Medusa",
+  "license": "MIT",
+  "scripts": {
+    "watch": "tsc --build --watch",
+    "watch:test": "tsc --build tsconfig.spec.json --watch",
+    "resolve:aliases": "tsc --showConfig -p tsconfig.json > tsconfig.resolved.json && tsc-alias -p tsconfig.resolved.json && rimraf tsconfig.resolved.json",
+    "build": "rimraf dist && tsc --build && npm run resolve:aliases",
+    "test": "jest --passWithNoTests --runInBand --bail --forceExit -- src/",
+    "test:integration": "jest --runInBand --forceExit -- integration-tests/**/__tests__/**/*.spec.ts",
+    "migration:generate": " MIKRO_ORM_CLI=./mikro-orm.config.dev.ts medusa-mikro-orm migration:generate",
+    "migration:initial": " MIKRO_ORM_CLI=./mikro-orm.config.dev.ts medusa-mikro-orm migration:create --initial -n InitialSetupMigration",
+    "migration:create": " MIKRO_ORM_CLI=./mikro-orm.config.dev.ts medusa-mikro-orm migration:create",
+    "migration:up": " MIKRO_ORM_CLI=./mikro-orm.config.dev.ts medusa-mikro-orm migration:up",
+    "orm:cache:clear": " MIKRO_ORM_CLI=./mikro-orm.config.dev.ts medusa-mikro-orm cache:clear"
+  },
+  "devDependencies": {
+    "@medusajs/framework": "^0.0.1",
+    "@mikro-orm/cli": "5.9.7",
+    "@mikro-orm/core": "5.9.7",
+    "@mikro-orm/migrations": "5.9.7",
+    "@mikro-orm/postgresql": "5.9.7",
+    "@swc/core": "^1.7.28",
+    "@swc/jest": "^0.2.36",
+    "jest": "^29.7.0",
+    "medusa-test-utils": "^1.1.44",
+    "rimraf": "^3.0.2",
+    "tsc-alias": "^1.8.6",
+    "typescript": "^5.6.2"
+  },
+  "peerDependencies": {
+    "@medusajs/framework": "^0.0.1",
+    "@mikro-orm/core": "5.9.7",
+    "@mikro-orm/migrations": "5.9.7",
+    "@mikro-orm/postgresql": "5.9.7",
+    "awilix": "^8.0.1"
+  }
+}