release-node.md

Sync holidays data and upgrade packages by annual

1. cd data/ && git pull to pull latest upstrem data
2. ncu -u to upgrade package.json first
3. npm install to sync package.lock
4. npm run build && npm test to test new data and packages
5. vim package.json to dump version
6. git commit via "Sync 202X holidays data and upgrade packages"
7. git tag via 0.0.X
8. npm run release to publish changes to npmjs.com