Datasette-reconcile

What's Changed
* Extend service by nicokant in https://github.com/drkane/datasette-reconcile/pull/29

New Contributors
* nicokant made their first contribution in https://github.com/drkane/datasette-reconcile/pull/29

**Full Changelog**: https://github.com/drkane/datasette-reconcile/compare/v0.3.0...v0.4.0

**Full Changelog**: https://github.com/drkane/datasette-reconcile/compare/v0.2.2...v0.3.0

Use absolute URL in the service manifest (18)

- Support for the proper reconciliation API
- Validate API responses against the json schema

Thanks to JBPressac for help and PR

Enable CORS access for all reconcile endpoints (as described in the specification)