Add pull request template

.github/pull_request_template.md

@@ -0,0 +1,15 @@
+<!--
+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 PRs please review https://chris.beams.io/posts/git-commit/ and our https://jellyfin.org/docs/general/contributing/issues/ page.
+-->
+
+**Changes**
+<!-- Describe your changes here in 1-5 sentences. -->
+
+**Code assistance**
+<!-- If code assistance was used, describe how it contributed
+e.g., code generated by LLM, explanation of code base, debugging guidance. -->
+
+**Issues**
+<!-- Tag any issues that this PR solves here.
+ex. Fixes # -->