chore: create PR template

pull_request_template.md

@@ -0,0 +1,26 @@
+## Description
+_[Add a description of the changes]_ 
+
+**Issue(s) addressed**
+- Resolves #_[insert ID of the issue addressed]_
+
+**What kind of change(s) does this PR introduce?** 
+- [ ] Enhancement
+- [ ] Bug fix
+- [ ] Refactor
+
+**Please check if the PR fulfills these requirements**
+- [ ] The commit message follows our guidelines
+- [ ] Tests for the changes have been added (for bug fixes / features)
+- [ ] Docs have been added / updated (for bug fixes / features)
+
+## Issue
+
+**What is the current behavior?**
+
+**What is the new behavior?**
+
+## Breaking change
+**Does this PR introduce a breaking change?** 
+
+## Other useful information