chore: migrate repository to standard knowledge base layout

skills/headless-cli/references/index.md

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+# Headless CLI References
+
+> ⚠️ CLI 参数可能随版本更新变化，请以官方文档为准
+
+## 目录
+
+- [gemini-cli.md](./gemini-cli.md) - Gemini CLI 参数
+- [claude-cli.md](./claude-cli.md) - Claude Code CLI 参数
+- [codex-cli.md](./codex-cli.md) - Codex CLI 参数
+
+## 官方文档
+
+- [Gemini CLI](https://github.com/google-gemini/gemini-cli)
+- [Claude Code](https://docs.anthropic.com/en/docs/claude-code)
+- [Codex CLI](https://github.com/openai/codex)