Our generated docs are pretty verbose and space inefficient. This diff
has a few design tweaks to try and make sure that the information that's
emphasised is the stuff that's most important, and makes the typical
docs item use a bit less space in the process.
![image](https://github.com/tldraw/tldraw/assets/1489520/df433ae0-1400-4f5b-951e-e25869621a40)
### Change Type
- [x] `docs` — Changes to the documentation, examples, or templates.
- [x] `improvement` — Improving existing features