Llm-claude-3

- Added support for [Claude 3 Haiku](https://www.anthropic.com/news/claude-3-haiku), using `llm -m claude-3-haiku 'prompt goes here'` [#3](https://github.com/simonw/llm-claude-3/issues/3)

- New model options: `temperature`, `top_p`, `top_k` - thanks, [jvmncs](https://github.com/jvmncs). [#2](https://github.com/simonw/llm-claude-3/pull/2)

- Initial release. Supports `llm -m claude-3-opus "prompt"` and `llm -m claude-3-sonnet "prompt"`. [1](https://github.com/simonw/llm-claude-3/issues/1)