v0.60.0

• Full support for Sonnet 10/22, the new SOTA model on aider's code editing benchmark.
  • Aider uses Sonnet 10/22 by default.
• Improved formatting of added and read-only files above chat prompt, by @jbellis.
• Improved support for o1 models by more flexibly parsing their nonconforming code edit replies.
• Corrected diff edit format prompt that only the first match is replaced.
• Stronger whole edit format prompt asking for clean file names.
• Now offers to add .env to the .gitignore file.
• Ships with a small model metadata json file to handle models not yet updated in litellm.
• Model settings for o1 models on azure.
• Bugfix to properly include URLs in /help RAG results.
• Aider wrote 49% of the code in this release.