Merge pull request #2384 from dannycolin/clean-documentation

Update documentation and templates

.github/PULL_REQUEST_TEMPLATE/pull_request_template.md

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+**Before submitting your pull request**
+
+- [ ] I agree to license my code under the [MPL 2.0 license](https://www.mozilla.org/en-US/MPL/2.0/).
+- [ ] I rebased my work on top of the main branch.
+- [ ] I ran `npm test` and all tests passed.
+- [ ] I added test coverages if relevant.
+
+# Description
+
+*Please include a summary of the changes including relevant motivation and context.*
+
+## Type of change
+
+*Select all that apply.*
+
+- [ ] Bug fix
+- [ ] New feature
+- [ ] Major change (fix or feature that would cause existing functionality to work differently than in the current version)
+
+Tag issues related to this pull request:
+
+*
+*
+*