Add "summary" details in "PULL_REQUEST_TEMPLATE.md" file.
@@ -6,6 +6,8 @@ is available to guide the process: https://www.colour-science.org/contributing/.
# Summary
+<!-- Please write a summary describing the changes that this PR implements. -->
+
# Preflight
<!-- Please mark any checkboxes that do not apply to this pull request as [N/A]. -->
