[discussion]: Verifying package and resource properties

[martonvago]

This is just to keep track of some questions about how we verify package and resource properties. This is not to say that big changes are necessary, only to make sure that we consider them fully.

• How will the move to a new library for validation/verification affect the way we verify package and resource properties? Do we want to keep using frictionless-py for verification (currently in verify_properties_are_well_formed)? Related to [discussion]: Consider other packages for doing validation work #826.
• How will the new design for the *Properties classes affect the way we verify package and resource properties? Related to feat: ✨ update Properties classes with default method and change behaviour of compact_dict #808.
• What forms can a *Properties object take (e.g. any *Properties instance, default *Properties instance, compact_dict representation of the instance) and when do we want to consider each of these as correct?