[Enhancement] Setup github actions

[yogendra]

Action to build and release jar and docker images

[akscjo]

Yes, have been planning to do this - will take this ticket up.

[yogendra]

In case you want a working ref https://github.com/yogendra/yb-payment-api/blob/main/.github/workflows/build.yaml

[akscjo]

@yogendra I have added the github action to create and upload release on each pull request and push to main.

Will automate the docker image next