Sets up worker analytics. No further grafana setup needed, just need to
start querying once this is live.
### Change type
- [ ] `bugfix`
- [ ] `improvement`
- [x] `feature`
- [ ] `api`
- [ ] `other`
### Test plan
1. Create a shape...
2.
- [ ] Unit tests
- [ ] End to end tests
### Release notes
- Fixed a bug with…
I tested this by adding a custom shape on the bemo example page, it
works 👍🏼
### Change type
- [ ] `bugfix`
- [ ] `improvement`
- [x] `feature`
- [ ] `api`
- [ ] `other`
### Test plan
1. Create a shape...
2.
- [ ] Unit tests
- [ ] End to end tests
### Release notes
- Fixed a bug with…
Renames `@tldraw/sync` to `@tldraw/sync-core`, and `@tldraw/sync-react`
to `@tldraw/sync`. This also adds an export * from sync-core to sync.
- [x] `other`
