Upfront ask to dispatch new macros (#377)

* pending: pending: #354

* explicitly ask for macros to be dispatched

* move to checklist, match language

Co-authored-by: Claire Carroll <20294432+clrcrl@users.noreply.github.com>

Author: dataders

.github/pull_request_template.md

@@ -14,6 +14,7 @@ Describe your changes, and why you're making them.
     - [ ] Postgres
     - [ ] Redshift
     - [ ] Snowflake
+- [ ] I have "dispatched" any new macro(s) so non-core adapters can also use them (e.g. [the `star()` source](https://github.com/fishtown-analytics/dbt-utils/blob/master/macros/sql/star.sql))
 - [ ] I have updated the README.md (if applicable)
 - [ ] I have added tests & descriptions to my models (and macros if applicable)
 - [ ] I have added an entry to CHANGELOG.md