add command to launch local docs

package.json

@@ -15,6 +15,7 @@
   "scripts": {
     "build": "turbo build",
     "dev": "turbo dev --concurrency 50 --continue",
+    "docs": "cd docs && npx mintlify dev",
     "clean": "turbo clean",
     "test": "turbo test",
     "test:format": "prettier --check \"**/*.{js,ts,tsx}\"",