feat: Create the Medusa API SDK as js-sdk package (#7276)

packages/core/js-sdk/package.json

@@ -0,0 +1,40 @@
+{
+  "name": "@medusajs/js-sdk",
+  "version": "0.0.1",
+  "description": "SDK for the Medusa API",
+  "main": "dist/index.js",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/medusajs/medusa",
+    "directory": "packages/core/js-sdk"
+  },
+  "engines": {
+    "node": ">=18"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "files": [
+    "dist"
+  ],
+  "author": "Medusa",
+  "license": "MIT",
+  "devDependencies": {
+    "cross-env": "^5.2.1",
+    "jest": "^29.6.3",
+    "msw": "^2.3.0",
+    "rimraf": "^5.0.1",
+    "ts-jest": "^29.1.1",
+    "typescript": "^5.1.6"
+  },
+  "dependencies": {
+    "@medusajs/types": "^1.11.16",
+    "qs": "^6.12.1"
+  },
+  "scripts": {
+    "prepublishOnly": "cross-env NODE_ENV=production tsc --build",
+    "build": "rimraf dist && tsc --build",
+    "test": "jest --passWithNoTests --runInBand --bail --forceExit",
+    "watch": "tsc --build --watch"
+  }
+}