v5.1.0

The most signifcant change in this release is that instead of emitting a WARNING that a non-existent DataSource is referenced by a detection, we now emit an ERROR which causes a validation failure.

What's Changed

• README + Docs Rewrite by @ljstella in #360
• Convert warning for missing datasource to an error by @pyth0n1c in #375

Full Changelog: v5.0.5...v5.1.0