- Add `Json` module to return JSON strings and write JSON as it's read to a `PipeWriter`
- Add `docfx`-based documentation to allow how-to docs and API docs to be generated on the same site
Reviewed-on: #11
The prior `///` F# documentation blocks were not rendering in IDEs, and parameters were not documented. This change adds complete XML documentation to all (but `Compat`) classes, methods, and functions.
Reviewed-on: #10