jina-ai: billing for saas service (#55)

* wip: jina billing

* wip

* fix: build issues

* ci: cd gh action

* fix: make ci happy

package.json

@@ -1,15 +1,13 @@
 {
   "name": "node-deepresearch",
   "version": "1.0.0",
-  "main": "dist/index.js",
-  "types": "dist/index.d.ts",
+  "main": "dist/app.js",
   "files": [
     "dist",
     "README.md",
     "LICENSE"
   ],
   "scripts": {
-    "prepare": "npm run build",
     "build": "tsc",
     "dev": "npx ts-node src/agent.ts",
     "search": "npx ts-node src/test-duck.ts",
@@ -17,6 +15,7 @@
     "lint": "eslint . --ext .ts",
     "lint:fix": "eslint . --ext .ts --fix",
     "serve": "ts-node src/server.ts",
+    "start": "ts-node src/server.ts",
     "eval": "ts-node src/evals/batch-evals.ts",
     "test": "jest --testTimeout=30000",
     "test:watch": "jest --watch"