Update's mailerPasswordFile to secrets.mailer.PASSWD and removes our
custom overlay as it was already merged into current nixpkgs
Change-Id: Ic2c8079094fdd93a3350a35f6dbdd67465cee1da
A while ago we set up forgejo. After that, we discovered that in certain
circumstances you could cause forgejo to give an error 500 when
approving a pull request.
Please see https://codeberg.org/forgejo/forgejo/issues/3860
This has been fixed upstream, but we are impatient so we would like to
pull in the patch before it lands in nixpkgs.
https://reuse.software is a way of specifying licenses in a simple way
that easily allows us to specify multiple licenses in a project and
check that we are correctly specifying our licenses
We plan to add an MIT-licensed file to the project in a future commit,
which prompted us to look at REUSE to make this simpler