Add support for longer term trend reporting

[Julian]

trafficstars

Possibly depends on #6 or #5, and maybe even on revisiting json-schema-org/JSON-Schema-Test-Suite#53.

Would be useful for tracking changes to implementations, or changes to the input suite, or both.

[ashmit-coder]

Hey @Julian I am Intrested in working on this as well so what steps/knowledge do need to proceed with it. :)

[Julian]

Hi there! Great! There's some getting started info here -- have a look and let me know what you think.

Thanks for your interest!