Add LLMKit to LFX Insights

[smigolsmigol]

LLMKit is an MIT-licensed, open-source AI gateway and SDK suite for cost attribution, budget admission, and request evidence. It also ships local tracking tools for Python, the CLI, MCP clients, and TypeScript workflows that can run without an LLMKit account or proxy.

Project links:

• Repository: https://github.com/smigolsmigol/llmkit
• Website: https://llmkit.sh
• Documentation: https://llmkit.sh/docs
• Security policy: https://github.com/smigolsmigol/llmkit/blob/main/SECURITY.md
• Security Insights: https://raw.githubusercontent.com/smigolsmigol/llmkit/main/security-insights.yml
• OpenSSF Best Practices: https://www.bestpractices.dev/projects/12288

Please onboard the repository so its project health, supply-chain, and OSPS Baseline assessment can be tracked in LFX Insights.