Add PR template

Signed-off-by: Muhammet Kara <[email protected]>

.github/pull_request_template.md

@@ -0,0 +1,18 @@
+
+* Resolves: # <!-- related github issue -->
+
+### Summary
+
+
+### TODO
+
+- [ ] ...
+
+### Checklist
+
+- [ ] Code is properly formatted
+- [ ] All commits are signed
+- [ ] Tests included/updated or not needed
+- [ ] Documentation (manuals or wiki) has been updated or is not required
+
+