README: Add a note about how to report issues.

Since we aren't on one of the big foundries, it might behoove us to explain how to get an account and report an issue. What do you think?

(Please feel free to edit this as much as you want so that it says something different.)

CHANGELOG.md

@@ -35,6 +35,21 @@ Future cargo features might imply a higher MSRV.
 Such features might be added to the metafeature `full`,
 again, in a minor version bump.
 
+## Reporting issues
+
+We can't wait to hear from you!
+
+In order to submit a bug to
+[the derive-deftly issue tracker][tracker]
+you will need an account on <https://gitlab.torproject.org>.
+
+You can request an account via
+[anonticket](https://anonticket.torproject.org/),
+or via the [account request form].
+
+[tracker]: https://gitlab.torproject.org/Diziet/rust-derive-deftly/-/issues
+[account request form]: https://anonticket.torproject.org/user/gitlab-account/create/
+
 ## Changelog
 
 ### 0.14.1