upload artifact from github actions build

Create a Release and Upload Artifacts with GitHub Actions | Thomas Stringer (trstringer.com)

https://trstringer.com/github-actions-create-release-upload-artifacts/

Easy way to publish artifacts - 

https://www.theserverside.com/blog/Coffee-Talk-Java-News-Stories-and-Opinions/How-to-publish-GitHub-Actions-artifacts-example

Just add the following, and it will create a zip file with the path -

- name: Upload Artifact
      uses: actions/upload-artifact@v2
      with:
        name: artifact-of-build
        path: platforms/android/app/build/outputs/