Add documentation section to PR template

.github/pull_request_template.md

@@ -8,20 +8,31 @@ Resources:
 
 Closes #XXXX.
 
-What problem does this address?
+## What problem does this address?
 
-What did you change?
+## What did you change?
+
+# Documentation
+
+Make sure to update relevant aspects of the documentation.
+
+```[tasklist]
+- [ ] Update the [release notes](https://catalystcoop-pudl.readthedocs.io/en/nightly/release_notes.html): reference the PR and related issues.
+- [ ] Update relevant Data Source jinja tempaltes (see `docs/data_sources/templates`).
+- [ ] Review and update any aspects of the documentation that might be changed by
+this PR.
+- [ ] Update relevant table or source description metadata (see `src/metadata`).
+```
 
 # Testing
 
-How did you make sure this worked? How can a reviewer verify this?
+## How did you make sure this worked? How can a reviewer verify this?
 
 ```[tasklist]
 # To-do list
-- [ ] If updating analyses or data processing functions: make sure to update or write data validation tests (e.g. `test_minmax_rows()`)
-- [ ] Update the [release notes](https://catalystcoop-pudl.readthedocs.io/en/nightly/release_notes.html): reference the PR and related issues.
+- [ ] If updating analyses or data processing functions: make sure to update or write data validation tests (e.g. `test_minmax_rows()`).
 - [ ] Run `make pytest-coverage` locally to ensure that the merge queue will accept your PR.
-- [ ] Review the PR yourself and call out any questions or issues you have
+- [ ] Review the PR yourself and call out any questions or issues you have.
 - [ ] For minor ETL changes or data additions, once `make pytest-coverage` passes, make sure you have a fresh full PUDL DB downloaded locally, materialize new/changed assets and all their downstream assets and [run relevant data validation tests](https://catalystcoop-pudl.readthedocs.io/en/nightly/dev/testing.html#data-validation) using `pytest` and `--live-dbs`.
 - [ ] For bigger ETL or data changes run the full ETL locally and then [run the data validations](https://catalystcoop-pudl.readthedocs.io/en/nightly/dev/testing.html#data-validation) using `make pytest-validate`.
 - [ ] Alternatively, run the `build-deploy-pudl` GitHub Action manually.