Aaron Schlesinger

make Travis-CI do releases to maven central

3

instead of having a large manual process

not sure how clear they are already. maybe they're good enough

add docs on contributing

1

should include git-flow instructions with fork-and-pull

Remove the vendor directory?

6

The lowest version number this seems to be building with is [1.12](https://github.com/GoogleCloudPlatform/govanityurls/blob/2171d0d238171419154716a938118badc72ad20b/.travis.yml#L4), so in theory the vendor directory could be removed. Is there a reason it needs to stay?

This PR adds the GitHub actions [go action](https://github.com/actions/setup-go) ([longer explanation of what this is](https://sosedoff.com/2019/02/12/go-github-actions.html)) and begins running tests on GitHub actions. Both Travis CI file and actions can co-exist, and...