rig-core-v0.6.1

Added

• Add from_url method to Gemini client (#194)
• Feature flag for CF worker compatibility (#176) (#175)
• (eternal-ai) Eternal-AI provider for rig (#171)
• Add gpt-4o-mini to openai model list (#187)

Fixed

• (example) ollama example uses wrong url

Other

• Add additional check for empty tool_calls (#166)
• Mock provider API in vector store integration tests (#186)
• fix comment (#182)
• fix various typos