Update PULL_REQUEST_TEMPLATE.md (#106)

adopt approved PR template from api repo

Author: kim-tsao

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,7 +1,35 @@
-### What does this PR do?
+### What does this PR do?:
+<!-- _Summarize the changes_ -->
 
+### Which issue(s) this PR fixes:
+<!-- _Link to github issue(s)_ -->
 
-### What issues does this PR fix or reference?
+### PR acceptance criteria:
+Testing and documentation do not need to be complete in order for this PR to be approved. We just need to ensure tracking issues are opened.
 
+> - Open new test/doc issues under the [devfile/api](https://github.com/devfile/api/issues) repo
+> - Check each criteria if:
+>  - There is a separate tracking issue. Add the issue link under the criteria
+>  **or**
+>  - test/doc updates are made as part of this PR
+> -  If unchecked, explain why it's not needed
 
-### Is your PR tested? Consider putting some instruction how to test your changes
+
+- [ ] Unit/Functional tests
+
+  <!-- _These are run as part of the PR workflow, ensure they are updated_ -->
+
+- [ ] [QE Integration test](https://github.com/devfile/integration-tests) 
+
+  <!--  _Do we need to verify integration with ODO and Openshift console?_ -->
+
+- [ ] Documentation 
+
+   <!-- _This includes product docs and READMEs._ -->
+
+- [ ] Client Impact
+
+  <!-- _Do we have anything that can break our clients?  If so, open a notifying issue_ -->
+
+
+### How to test changes / Special notes to the reviewer: