add: PR template

Author: Elie Saad

.github/pull_request_template.md

@@ -0,0 +1,11 @@
+This PR covers issue #<issue number>.
+
+- [ ] This PR handles the issue and requires no additional PRs.
+- [ ] You have validated the need for this change.
+
+**What did this PR accomplish?**
+
+- Point 1
+- Point 2
+
+Thank you for your contribution!