Source Rules

Rules that load or fetch GWAS inputs.

`FetchGWASCatalogRule`	FetchGWASCatalogRule resolves a single GWAS Catalog request into one gwas.sumstats resource. Aliases: `FetchGWASCatalogRule`
`FetchOpenGWASRule`	FetchOpenGWASRule implements end-to-end OpenGWAS retrieval for gwas.sumstats outputs. Aliases: `FetchOpenGWASRule`
`LoadLocalGWASRule`	LoadLocalGWASRule resolves a local GWAS request into one gwas.sumstats resource. Aliases: `LoadLocalGWASRule`