[MAINT] rework PR templates

Author: Remi-Gau

.github/PULL_REQUEST_TEMPLATE/bep.md

@@ -0,0 +1,29 @@
+<!--- Until this PR is ready for review, you can include [WIP] in the title, or create a draft PR. -->
+
+
+<!---
+Below is a suggested pull request template. Feel free to add more details you feel are relevant/necessary.
+
+-->
+
+<!--
+Please indicate after the # which issue you're closing with this PR, if applicable.
+If the PR closes multiple issues, include "Closes" before each one is listed.
+You can also link to other issues if necessary, e.g. "See also #1234".
+
+https://help.github.com/articles/closing-issues-using-keywords
+-->
+- Closes #
+
+<!--
+Please give a brief overview of what has changed or been added in the PR.
+This can include anything specific the maintainers should be looking for when they review the PR.
+-->
+Changes proposed in this pull request:
+-
+
+## Checklist for contributor
+
+- [ ] PR has an interpretable title with a prefix (e.g. `[BUG]`, `[DOC]`, `[ENH]`, `[MAINT]`)\
+Refer to [NumPy Development Guide](https://numpy.org/doc/stable/dev/development_workflow.html#writing-the-commit-message) for a full list
+- [ ] PR links to GitHub issue with mention `Closes #XXXX`