Vivarium-inputs

- Added measles covariates

- Update for coverage gap exposure/rr/paf
- Add support for building artifacts for locations with spaces.
- Bugfixes around measles

- Add logging to artifact builder.
- Various bugfixes in artifact builder.
- Bugfix for smoking prevalence w/r/t tuberculosis

- Move all file handling to artifact in public health
- Rewrite loaders to be usable for individual measures
- Make vivarium_gbd_access mockable
- Rewrite artifact build script to support multiple locations
- Build ArtifactPassthrough
- Switch to new aux data source

- Initial Release