Bug#984753: Bug#984754: towncrier: Include an install-time (autopkgtest) test suite

It took me some time but I created a simple test for towncrier. Just for the record, the MR is available at [1]. [1]: https://salsa.debian.org/bignose/pkg-towncrier/-/merge_requests/2 -- Sérgio Cipriano.

Bug#984753: towncrier: Manual page needed for 'towncrier(1)'

Thanks for the tips and the links, they helped a lot. I created a merge request [1] for your repository with the manpage and forwarded it to upstream [2]. [1]: https://salsa.debian.org/bignose/pkg-towncrier/-/merge_requests/1 [2]: https://github.com/twisted/towncrier/pull/326 -- Sérgio