feat(docs): added pull request template for ui components repo

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,31 @@
+### Changes
+
+Please describe both what is changing and why this is important. Include:
+
+- Components added, deleted, or changed
+- Functions added, deleted, or changed
+- Screenshots of new or changed UI, if applicable
+- A summary of usage if this is a new feature or change to a public Component (this should also be added to relevant documentation once released)
+- Any alternative designs or approaches considered
+
+### References
+
+Please include relevant links supporting this change such as a:
+
+- support ticket
+- community post
+- StackOverflow post
+- support forum thread
+
+### Testing
+
+Please describe how this can be tested by reviewers. Be specific about anything not tested and reasons why. If this library has unit and tests should be added for new functionality and existing tests should complete without errors.
+
+- [ ] This change adds unit test coverage
+- [ ] This change has been tested on the latest version of the platform/language or why not
+
+### Checklist
+
+- [ ] I have read the [Auth0 general contribution guidelines](https://github.com/auth0/.github/blob/master/CONTRIBUTING.md)
+- [ ] I have read the [Auth0 Code of Conduct](https://github.com/auth0/open-source-template/blob/master/CODE-OF-CONDUCT.md)
+- [ ] All existing and new tests complete without errors