write test script for cypress

to properly kill the process

packages/docs/package.json

@@ -4,7 +4,7 @@
   "scripts": {
     "prepare": "remix setup node",
     "dev": "concurrently 'typedoc --watch' 'remix dev'",
-    "test": "pnpm build && pnpm start & wait-on http-get://localhost:3000 && cypress run && exit 0",
+    "test": "esmo ./scripts/test.ts",
     "test-dev": "pnpm dev & wait-on http-get://localhost:3000 && cypress open",
     "build": "typedoc && remix build",
     "start": "remix-serve build",
@@ -37,6 +37,8 @@
     "@types/tailwindcss": "^3.0.2",
     "concurrently": "^7.0.0",
     "cypress": "^9.2.1",
+    "esno": "^0.13.0",
+    "execa": "^6.0.0",
     "rehype-prism-plus": "^1.3.0",
     "typedoc": "^0.22.10",
     "typescript": "^4.5.4",