This PR updates the docs site.
* It updates an old CodeSandbox link to the new StackBlitz link.
* It updates an old example link.
There's still more we need to update before closing the tldraw-examples
repo.
I'll add it to the linear project and carry on next week!
### Change Type
<!-- 💡 Indicate the type of change your pull request is. -->
<!-- 🤷♀️ If you're not sure, don't select anything -->
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<!-- To select one, put an x in the box: [x] -->
- [ ] `patch` — Bug Fix
- [ ] `minor` — New Feature
- [ ] `major` — Breaking Change
- [ ] `dependencies` — Dependency Update (publishes a `patch` release,
for devDependencies use `internal`)
- [x] `documentation` — Changes to the documentation only (will not
publish a new version)
- [ ] `tests` — Changes to any testing-related code only (will not
publish a new version)
- [ ] `internal` — Any other changes that don't affect the published
package (will not publish a new version)
### Test Plan
- [ ] Unit Tests
- [ ] Webdriver tests
### Release Notes
- [docs] Fixed some links to examples.
03e0cf7f85
