Add link to our contributing docs as well

.github/pull_request_template.md

@@ -1,5 +1,5 @@
 Ensure your title is short, descriptive, and in the imperative mood (Fix X, Change Y, instead of Fixed X, Changed Y).
-For a good inspiration of what to write in commit messages and PR have a look at https://chris.beams.io/posts/git-commit/
+For a good inspiration of what to write in commit messages and PRs please review https://chris.beams.io/posts/git-commit/ and our https://jellyfin.readthedocs.io/en/latest/developer-docs/contributing/ page.
 
 **Changes**
 Describe your changes here in 1-5 sentences.