Add pull request template (#298)

Author: Rob Adams

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,32 @@
+## Description
+
+Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context.
+
+Fixes # (issue)
+
+## Type of change
+
+Please delete options that are not relevant.
+
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
+- [ ] This change requires a documentation update
+
+## Checklist:
+
+- [ ] Typespecs updated
+- [ ] Module documentation updated
+- [ ] Tests were added or updated to cover changes
+- [ ] Commits have been squashed into a single coherent commit
+
+## Licensing/Copyright
+
+**By submitting this PR, you agree to the following statement, please read before submission!**
+
+I certify that I own, and have sufficient rights to contribute, all source code and
+related material intended to be compiled or integrated with the source code for Bootleg
+(the "Contribution"). My Contribution is licensed under the MIT License.
+
+NOTE: If you submit a PR and remove the statement above, your PR will be rejected. For your PR to be
+considered, it must contain your agreement to license under the MIT license.