feat: add ragflow web project & add pnpm workspace file

packages/auth-gateway/package.json

@@ -0,0 +1,28 @@
+{
+  "name": "@teres/auth-gateway",
+  "version": "0.1.0",
+  "private": true,
+  "type": "module",
+  "description": "Minimal Node session service to share auth token via Cookie or API.",
+  "scripts": {
+    "dev": "tsx watch src/index.ts",
+    "build": "tsc -b",
+    "start": "node dist/index.js"
+  },
+  "dependencies": {
+    "cors": "^2.8.5",
+    "cookie-parser": "^1.4.6",
+    "dotenv": "^16.4.5",
+    "express": "^4.19.2"
+  },
+  "devDependencies": {
+    "@types/cookie-parser": "^1.4.7",
+    "@types/cors": "^2.8.17",
+    "@types/express": "^4.17.21",
+    "tsx": "^4.7.0",
+    "typescript": "~5.9.3"
+  },
+  "engines": {
+    "node": ">=18"
+  }
+}