Better PR template (#856)

### Description

Change to the pull request template to improve reviews and enable quick
understanding of the nature of the changes to be reviewed.

---------

Co-authored-by: Marc-Andrieu <[email protected]>

Author: warix8

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,9 +1,54 @@
-### Description
+## Description
 
-Please explain the changes you made here.
+### Summary
 
-### Checklist
+<!--Brief description of what this PR does.-->
 
-- [ ] Created tests which fail without the change (if possible)
-- [ ] All tests passing
-- [ ] Extended the documentation, if necessary
+### Related Issues
+
+<!-- If applicable -->
+Closes #<!--0-->
+
+## Changes Made
+
+<!--Please describe the changes made in this pull request-->
+
+- ...
+
+## Type of Change
+
+- [ ] 🐛 Bug fix (non-breaking change which fixes an issue)
+- [ ] ✨ New feature (non-breaking change which adds functionality)
+- [ ] 🔨 Refactor (non-breaking change that neither fixes a bug nor adds a feature)
+- [ ] 🔧 Infra CI/CD (changes to configs of workflows)
+- [ ] 💥 BREAKING CHANGE (fix or feature that require a new minimal version of the front-end)
+
+## Impact & Scope
+
+- [ ] Core functionality changes
+- [ ] Single module changes
+- [ ] Multiple modules changes
+- [ ] Database migrations required
+- [ ] Other
+
+## Testing
+
+- [ ] Added/modified tests that pass the CI
+- [ ] Tested in a pre-prod
+- [ ] Tested this locally
+
+## Documentation
+
+- [ ] Updated docs accordingly (docs.myecl.fr) : <!--[Docs#0 - Title](https://github.com/aeecleclair/myecl-documentation/pull/0)-->
+- [ ] Code includes docstrings
+- [ ] No documentation needed
+
+## Checklist
+
+- [ ] My code follows the style guidelines of this project
+- [ ] I have commented my code, particularly in hard-to-understand areas
+- [ ] Any dependent changes have been merged and published (_Indicate the linked PR for the dependent changes_)
+
+## Additional Notes
+
+Add any other context, screenshots, or information about the pull request here.