chore: add pull request template

Note this template is based on the great work found at Orange-OpenSource/Orange-Boosted-Bootstrap

Co-authored-by: Julien Déramond <julien.deramond@orange.com>
Co-authored-by: Pierre-Yves Lapersonne <pierreyves.lapersonne@orange.com>
Signed-off-by: Pierre-Yves Lapersonne <pierreyves.lapersonne@orange.com>

.github/ISSUE_TEMPLATE/pull_request_template.md.

@@ -0,0 +1,66 @@
+_Note: Please transform `- [ ]` into `- (NA)` in the description when things are not applicable_
+
+### Related issues
+
+<!-- Please link any related issues here. -->
+
+### Description
+
+<!-- Describe your changes in detail -->
+
+### Motivation & Context
+
+<!-- Why is this change required? What problem does it solve? -->
+
+### Types of change
+
+<!-- What types of changes do your code introduce? -->
+<!-- Please remove the unused items in the list -->
+
+- Bug fix (non-breaking which fixes an issue)
+- New feature (non-breaking change which adds functionality)
+- Refactoring (non-breaking change)
+- Breaking change (fix or feature that would change existing functionality)
+
+### Previews
+
+<!-- Please add screenshots or videos showing your evolutions -->
+
+### Checklist
+
+<!-- Go over all the following points, and put an `x` in all the boxes that apply. -->
+<!-- If you're unsure about any of these, don't hesitate to ask. We're here to help! -->
+<!-- Note that any checkboxes not optional must be ticked by an 'x' (or '(NA)') and our [branch ruleset](https://github.com/marketplace/task-list-completed) may block any merge if some mandatory boxes remain empty -->
+<!-- Your branch used to submit the evolutions must be prefixed by the issue number like 666-add-some-feature -->
+
+#### Contribution
+
+- [ ] I have read the [contributing guidelines](https://github.com/Orange-OpenSource/ouds-ios/blob/develop/.github/CONTRIBUTING.md)
+
+#### Accessibility
+
+- [ ] My change follows accessibility good practices
+
+#### Design
+
+- [ ] My change respects the design guidelines of _Orange Unified Design System_
+
+#### Development
+
+- [ ] My change follows the [developer guide](https://github.com/Orange-OpenSource/ouds-ios/blob/develop/.github/DEVELOP.md)
+- [ ] <!-- OPTIONAL --> I have added unit tests to cover my changes _(optional)_
+
+#### Documentation
+
+- [ ] My change introduces changes to the documentation and/or I have updated the documentation accordingly
+
+### Checklist (for Core Team only)
+
+- [ ] The evolution have been tested and the project builds for iPhones and iPads
+- [ ] Code review has been done by reviewers according to [CODEOWNERS file](https://github.com/Orange-OpenSource/ouds-ios/blob/develop/.github/CODEOWNERS)
+- [ ] Design review has been done
+- [ ] Accessibiltiy review has been done
+- [ ] Q/A team has tested the evolution
+- [ ] Documentation has been updated if relevant
+- [ ] Internal files have been updated if relevant (like CONTRIBUTING, DEVELOP, THIRD_PARTY, CONTRIBUTORS, NOTICE)
+- [ ] CHANGELOG has been updated respecting [keep a changelog rules](https://keepachangelog.com/en/1.0.0/) and reference the issues