fix(core) : #12 Auto-publish new versions to NPM

This Merge request will auto publish version to NPM once any MR is merged to main

There are two env variables being used here.

GL_TOKEN : It is a project token generated from access token in settings.

NPM_TOKEN : It is package specific token generated from NPM.

lerna uses conventional commit to identify version change.

Versions It will consider patch with commit message :

fix: rename variable name

Minor change

feat: allow provided config object to extend other configs

Major Change

BREAKING CHANGE: use JavaScript features not available in Node 6.

https://github.com/angular/angular/blob/main/CONTRIBUTING.md#commit