Implement API Key Rotation Mechanism

[JuliasMa4243]

Introduce a feature to automatically rotate through multiple API keys to handle rate limits, improve reliability, and ensure uninterrupted service.

(I deeply appreciate your efforts and the value you’ve brought. A real lifesaver in the world of buggy WS and other. Thank you for everything.)

[mrubens]

Good idea! Moved to https://github.com/RooVetGit/Roo-Cline/discussions/213 to separate it from bugs. Thank you for contributing!