chore(maintenance): add release script (#10)

Author: nimarb

README.md

@@ -105,3 +105,11 @@ bun run patch-openapi -- --refetch --openapi_url http://localhost:3000/generated
 # Patch only (no fetch)
 bun run patch-openapi
 ```
+
+## Release
+
+```sh
+bun run release
+```
+
+This interactively bumps the package version, runs tests, rebuilds the CLI, checks the npm package contents with `npm pack --dry-run`, then asks before publishing to npm.

package.json

@@ -30,6 +30,7 @@
     "patch-openapi": "bun scripts/patch-openapi.ts",
     "refetch-openapi": "bun scripts/patch-openapi.ts --refetch",
     "build": "bun run refetch-openapi && bun build src/cli.ts --outdir dist --target node --format esm",
+    "release": "bun scripts/release.ts",
     "prepublishOnly": "rm -rf dist && bun run build"
   },
   "dependencies": {