docs(UX-1130): Add dartdoc categories to classes (#134)

chore: Make some classes private that we don't need to export(#134)
ci: Add build runner to code quality action(#134)

Author: thelukewalton

.github/workflows/code-quality.yml

@@ -14,6 +14,7 @@ jobs:
       - uses: subosito/flutter-action@v2
         with:
           cache: true
+      - run: dart run build_runner build
       - uses: ZebraDevs/[email protected]
         with:
           token: ${{secrets.GITHUB_TOKEN}}