docs: missing generated README rewrite and CLI config.toml specification

[fopina]

• defectdojo-api-generated/docs/README.md

  Line 15 in 0b20c26

  ## Installation & Usage

  should be gone and example should be rewritten to the custom client (such as in /README.md)
• introduce readme-example-tester to validate the examples in both README.md and docs/README.md
• add AUTHOR to templates
• add docs to readthedocs
• need to document config.toml for the CLI (and the CLI)
• review examples generated per model/API