Update README.md

Merge pull request #13 from dimyatiutoyo/main

typo dificulty

typo

rename portion to serving due to consistency

update vercel conf

update node version to 16

update vercel setting.

update node version

update node version

fix title not showed and rename routes.

Merge pull request #11 from akwanmaroso/fix/cors-issue

fix: fixing cors

Merge pull request #6 from kerupuksambel/main

fix: key di categorys tidak mengarah ke key yang sesuai