0.21.0

Changelog

• 6b8cd27 README: reorder README and add savvy sync
• 5fcb5c2 client/llm: rm file
• eee25ba client: add llmClient that abstracts away the llm used to generate workflows
• 47cc768 client: refactor types to authz and llm pkgs
• f5e3bd0 config,llm: validate llm_base_url and inherit model name from config
• 9a695f3 config: support openai_base_url config value
• 43d27c3 custom_llm: impl Ask
• a4f4c10 enforce json output with structured outputs
• 113ccfc export: Artifact -> Workflow
• f471c6f llm,model,client: separate types for reuse
• a9decda llm: impl custom openAI endpoint
• 9b4f0ed refactor: move Ask api calls into llm pkg.
• 335ab9c support savvy explain with local llms
• efd0c37 tidy go.mod