Another pass with some restructuring

.github/pull_request_template.md

@@ -9,12 +9,16 @@
 
 ## Checklist
 
-Not all may apply:
+#### Required:
+- [ ] [Technical reference documentation](https://github.com/NREL/resstock/tree/develop/docs/read_the_docs) has been updated
+- [ ] Add to the [changelog_dev.rst file](https://github.com/NREL/resstock/tree/develop/docs/read_the_docs/source/changelog/changelog_dev.rst)
+- [ ] No unexpected regression test changes on CI (comparison artifacts have been checked)
 
+#### Optional (not all items may apply):
 - [ ] Tests (and test files) have been updated
-- [ ] Documentation has been updated
-  - [ ] If related to resstock-estimation, checklist includes [data dictionary](https://github.com/NREL/resstock/tree/develop/resources/data/dictionary), [source report](https://github.com/NREL/resstock/tree/develop/project_national/resources/source_report.csv), [options saturation](https://github.com/NREL/resstock/tree/develop/project_national/resources/options_saturations.csv), [options_lookup](https://github.com/NREL/resstock/blob/develop/resources/options_lookup.tsv).
-  - [ ] Technical reference documentation (this box must be checked for the PR to get merged).
-- [ ] Add to the [changelog_dev.rst file](https://github.com/NREL/resstock/tree/develop/docs/read_the_docs/source/changelog/changelog_dev.rst)
-- [ ] `openstudio tasks.rb update_measures` has been run
-- [ ] No unexpected regression test changes on CI (checked comparison artifacts)
+- [ ] Supporting resource files have been updated (related to resstock-estimation)
+  - [ ] [data dictionary](https://github.com/NREL/resstock/tree/develop/resources/data/dictionary)
+  - [ ] [source report](https://github.com/NREL/resstock/tree/develop/project_national/resources/source_report.csv)
+  - [ ] [options saturation](https://github.com/NREL/resstock/tree/develop/project_national/resources/options_saturations.csv)
+  - [ ] [options_lookup](https://github.com/NREL/resstock/blob/develop/resources/options_lookup.tsv)
+- [ ] `openstudio tasks.rb update_measures` has been run