Deprecate tabulator in favor of frictionless. Preserve bug-fixing maintenance

[roll]

Overview

We can make this switch basically without a single breaking change or with really minor breaking changes

Deprecation will be a less damaging step than a breaking version

Tasks

• [ ] deprecate the library
• [ ] process the existent issues

[lwinfree]

nice!

[roll]

Closed on favour of - https://github.com/frictionlessdata/frictionless-py/issues/418