* **roof:** Ensure that RoofSpecification has at least one geometry ([bbbb669](https://github.com/ladybug-tools/dragonfly-schema/commit/bbbb669dd87b259474c19afc092c5b797316c6ab))
* **building:** Add support for assigning roof geometries to Buildings ([e516269](https://github.com/ladybug-tools/dragonfly-schema/commit/e51626933dc2e9440cebe5e5f9aa9bf1955a4cca))