Add details to default PR template
* Add details to default PR template
There is no Issues UI dropdown equivilent. You can link to templates ([example](https://github.com/kenji-miyake/test-pr-template/blob/main/.github/PULL_REQUEST_TEMPLATE.md)), but I liked this option better.
* Removed severity and category
-By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
+**By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.**
+
+## Description
+
+*Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context. List any dependencies that are required for this change.*
+
+Fixes # (issue)
+
+
+## New/Edited policies (Delete if not relevant)
+
+### Description
+*Include a description of what makes it a violation and any relevant external links.*
+
+### Fix
+*How does someone fix the issue in code and/or in runtime?*
+
+
+## Checklist:
+
+- [ ] My code follows the style guidelines of this project
+- [ ] I have performed a self-review of my own code
+- [ ] I have commented my code, particularly in hard-to-understand areas
+- [ ] I have made corresponding changes to the documentation
+- [ ] I have added tests that prove my feature, policy, or fix is effective and works
+- [ ] New and existing tests pass locally with my changes
+- [ ] Any dependent changes have been merged and published in downstream modules
