[kitani-inc]

Adds Kitani (https://kitani.ai), an OpenAI-compatible inference API for open-weight models and community fine-tunes, at https://api.kitani.ai/v1/. It follows the same pattern as the Nebius provider: a thin OpenAI subclass with a default apiBase, plus the openai-adapters case, the config schema and types, the autodetect lists, a test entry and a docs page.

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