Add F#-friendly serialization via FSharp.System.Text.Json
Add tests
closes #94 - we now have an object that can contain both critical and non critical tests, as well as an output format and API that support that distinction
closes #95 - this PR implements the summary format
closes #96 - new ARCExpect top level API contains a fix for creating this folder
closes #98 - new ARCExpect top level API can create metadata from binding frontmatter and use it in the validation pipeline
closes #94 - we now have an object that can contain both critical and non critical tests, as well as an output format and API that support that distinction
closes #95 - this PR implements the summary format
closes #96 - new ARCExpect top level API contains a fix for creating this folder
closes #98 - new ARCExpect top level API can create metadata from binding frontmatter and use it in the validation pipeline