chore: update PR template from champagne

.github/pull_request_template.md → .github/PULL_REQUEST_TEMPLATE.md

@@ -1,27 +1,29 @@
----
-name: Pull Request
-about: Create a Pull Request
-title: ''
-labels: ''
-assignees: ''
----
-
 ## Changes
 
+<!--
 Provide a summary of what is included in this Pull Request (PR).
+-->
 
 ## Issues
 
+<!--
 Reference any issues related to this PR.
 If this PR fixes any issues, [use a keyword](https://docs.github.com/en/issues/tracking-your-work-with-issues/linking-a-pull-request-to-an-issue#linking-a-pull-request-to-an-issue-using-a-keyword)
 when referring to the issue.
+-->
 
+<!--
 **Reviewers**: Use the @ feature to mention anyone responsible for reviewing/completing this request.
+-->
 
-## Checklist
+## PR Checklist
 
 (~Strikethrough~ any points that are not applicable.)
 
-- [ ] Write unit tests for any new features or bug fixes.
+- [ ] This comment contains a description of changes with justifications, with any relevant issues linked.
+- ~[ ] Write unit tests for any new features, bug fixes, or other code changes.~ _testing framework not yet implemented_
 - [ ] Update docs if there are any API changes.
-- [ ] Update the changelog with a one-line description of these changes and reference the PR number.
+- [ ] If a new nextflow process is implemented:
+  - [ ] docker container is set in `conf/modules.config`.
+  - [ ] stub is defined.
+- [ ] Update `CHANGELOG.md` with a one-line description of these changes and reference the PR number. Guidelines: https://keepachangelog.com/en/1.1.0/