chore: add PR Template

Author: rutajdash

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,22 @@
+### Solved or Linked Issues
+
+Reference any and all issues solved and related to this pull request here. Mention if there are none.
+
+### Description and Changes
+
+Please describe your pull request with all changes made.
+
+### Your checklist for this pull request
+
+🚨Please review the [guidelines for contributing](../README.md) to this repository.
+
+- [ ] Make sure you are requesting to **pull a work/topic/feature/bugfix branch** (right side). Don't request your default branch!
+- [ ] Make sure you are making a pull request against the **development** (left side). Also you should start _your branch_ off _default branch_ and follow the branch naming guidelines.
+- [ ] Check the commit's or even all commits' message styles matches our requested structure.
+- [ ] Check your code additions will fail neither code linting checks nor unit test.
+- [ ] I have added necessary documentation and mentioned the related issues (if appropriate)
+- [ ] I have added the appropriate labels, requested a review from a repository manager and assigned myself to this pull request.
+
+### Post merge checklist
+
+- [ ] Follow steps from the [guidelines for contributing](../blob/development/CONTRIBUTING.md) to this repository.