Initial commit: skills library

- 70 skills with code and documentation
- Add .gitignore (ignore __pycache__, output/, temp/, venv/)
- Clean up test intermediates and caches

llm-hub/references/accounts.md

@@ -0,0 +1,20 @@
+# 账号管理
+
+## 阿里云百炼账号
+
+| 账号 | API Key | 剩余额度 | 状态 | 备注 |
+|-----|---------|---------|------|------|
+| 账号1 | sk-xxx | | | |
+| 账号2 | sk-xxx | | | |
+| 账号3 | sk-xxx | | | |
+
+## 其他平台
+
+| 平台 | API Key | 状态 |
+|-----|---------|------|
+| OpenRouter | sk-xxx | |
+| Groq | gsk_xxx | |
+| DeepSeek | sk-xxx | |
+| 硅基流动 | sk-xxx | |
+| 阶跃星辰 | sk-xxx | |
+