Introduce subitems in checklist

CHECKLIST.md

@@ -12,12 +12,25 @@ The next steps are:
 - [ ] [Add initial exercises](https://exercism.org/docs/building/tracks/new/add-initial-exercises)
 - [ ] [Build test runner](https://exercism.org/docs/building/tracks/new/build-test-runner)
 - [ ] [Configure tooling](https://exercism.org/docs/building/tracks/new/configure-tooling)
+  - [ ] [Lines of Code Counter](https://exercism.org/docs/building/tooling/lines-of-code-counter)
+  - [ ] [Snippet Extractor](https://exercism.org/docs/building/tooling/snippet-extractor)
+  - [ ] [Exercism CLI](https://exercism.org/docs/building/tooling/cli)
 - [ ] [Prepare for launch](https://exercism.org/docs/building/tracks/new/prepare-for-launch)
+  - [ ] [Request Track Icon](https://exercism.org/docs/building/tracks/new/prepare-for-launch#h-request-track-icon)
+  - [ ] [Add Track Docs](https://exercism.org/docs/building/tracks/new/prepare-for-launch#h-add-track-docs)
+  - [ ] [Add Exercise Docs](https://exercism.org/docs/building/tracks/new/prepare-for-launch#h-add-exercise-docs)
+  - [ ] [Add Code snippet](https://exercism.org/docs/building/tracks/new/prepare-for-launch#h-add-code-snippet)
+  - [ ] [Update metadata](https://exercism.org/docs/building/tracks/new/prepare-for-launch#h-update-metadata)
 - [ ] [Test track](https://exercism.org/docs/building/tracks/new/test-track)
 - [ ] [Find Maintainers](https://exercism.org/docs/building/tracks/new/find-maintainers)
 - [ ] [Launch!](https://exercism.org/docs/building/tracks/new/launch)
 - [ ] [Enable syntax highlighting](https://exercism.org/docs/building/tracks/new/enable-syntax-highlighting)
+  - [ ] [Static syntax highlighting](https://exercism.org/docs/building/tracks/new/syntax-highlighting/static) (optional)
+  - [ ] [Dynamic syntax highlighting](https://exercism.org/docs/building/tracks/new/syntax-highlighting/dynamic) (optional)
 - [ ] [Implement additional tooling](https://exercism.org/docs/building/tracks/new/implement-tooling)
+  - [ ] [Build Representer](https://exercism.org/docs/building/tooling/representers) (optional)
+  - [ ] [Build Analyzer](https://exercism.org/docs/building/tooling/analyzers) (optional)
+  - [ ] [Build Test Generator](https://exercism.org/docs/building/tooling/test-generators) (optional)
 - [ ] [Prepare for open source contributions from strangers](https://exercism.org/docs/building/tracks/new/prepare-for-contributions)
 
 Once you've finished a task, you can check them in this list.