Update pull_request_template.md (#1234)

docs/pull_request_template.md

@@ -1,5 +1,14 @@
-Items to add to release announcement:
-- **Heading**: delete this list if this PR does not introduce any changes that need announcing.
+# Description
 
-Other details that are good to know but need not be announced:
-- There should be something here at least.
+Please include a summary of the changes and the related issue that can be inlcuded in the release announcement. Please also include relevant motivation and context.
+
+## Other details good to know for developers
+
+Please include any other details of this change useful for TruLens developers.
+
+## Type of change
+
+- [ ] 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