Add opencode-ralph-wiggum to ecosystem

[Th0rgal]

Summary

• Adds opencode-ralph-wiggum to the ecosystem plugins list

About the Plugin

Ralph Wiggum is a self-correcting AI development loop methodology that enables autonomous iterative development. The AI agent receives the same prompt repeatedly until task completion, seeing its previous work in modified files and git history to enable self-correction.

Key features:

• CLI loop and plugin-based execution models
• Automatic completion detection via configurable promise tags
• Optional auto-commit between iterations
• State management for pause/resume functionality

Repository: https://github.com/Th0rgal/opencode-ralph-wiggum