taskc 0.1.0

Scan markdown task markers and generate a beautiful static task catalog page.
Documentation
# Manual E2E Fixture

This fixture is used to verify task extraction and HTML rendering.

<!-- Task -->
## Root task: onboarding

- [ ] Verify lists render
- [x] Verify checkboxes render
- Visit [example]https://example.com

```sh
echo "code block"
```

### Nested detail

This nested section should remain inside the same task body.

<!-- Task -->
This marker is intentionally invalid because the next non-empty line is not a header.