Added Pull Request template

Author: soumeh01

.github/pull_request_template.md

@@ -0,0 +1,15 @@
+## Fixes
+<!-- List the issue(s) this PR resolves -->
+-
+
+## Changes
+<!-- List the changes this PR introduces -->
+-
+
+## Checklist
+<!-- Put an `x` in the boxes. All tasks must be completed and boxes checked before merging. -->
+- [ ] 🤖 This change is covered by unit tests (if applicable).
+- [ ] 🤹 Manual testing has been performed (if necessary).
+- [ ] 🛡️ Security impacts have been considered (if relevant).
+- [ ] 📖 Documentation updates are complete (if required).
+- [ ] 🧠 Third-party dependencies and TPIP updated (if required).