Lazydocs failures on doc generation for some modules

[lishanl]

There are import errors, config errors for some modules and failing the docs generation for those.

Originally posted by @lishanl in #186 (comment)

Failed to generate docs for module oauth.callback: ValueError('attempted relative import beyond top-level package')
Failed to generate docs for module oauth.fastapi: FastAPIImportError('The oauth router is a fastapi router and fastapi is not installed. Run `pip install spylib[fastapi]` to be able to use the oauth router.')
Failed to generate docs for module oauth.redirects: ValueError('attempted relative import beyond top-level package')
Failed to generate docs for module oauth.tokens: ValueError('attempted relative import beyond top-level package')
Failed to generate docs for module oauth.validations: ValueError('attempted relative import beyond top-level package')
Failed to generate docs for module session_token: ImportError('attempted relative import with no known parent package')
Failed to generate docs for module utils.jwtoken: ConfigError('duplicate validator function "utils.jwtoken.JWTBaseModel.set_id"; if this is intended, set `allow_reuse=True`')