initial: project structure and documentation setup

- Create project directory structure
- Initialize Go module
- Set up development documentation (why.md, taolun.md, changelog.md, memory.md, AGENTS.md)
- Configure YAML config template
- Set up .gitignore and .env.example
- Design OOP architecture with factory and strategy patterns

Version: 0.0.1

configs/config.yaml

@@ -0,0 +1,43 @@
+# YOYO翻译工具配置文件
+# 注意：API密钥使用环境变量，不要直接写入真实密钥
+
+default_provider: "siliconflow"
+default_model: "gpt-3.5-turbo"
+timeout: 30
+
+providers:
+  siliconflow:
+    api_host: "https://api.siliconflow.cn/v1"
+    api_key: "${SILICONFLOW_API_KEY}"
+    model: "siliconflow-base"
+    enabled: true
+    
+  volcano:
+    api_host: "https://api.volcengine.com/v1"
+    api_key: "${VOLCANO_API_KEY}"
+    model: "volcano-chat"
+    enabled: true
+    
+  national:
+    api_host: "https://api.nsc.gov.cn/v1"
+    api_key: "${NATIONAL_API_KEY}"
+    model: "nsc-base"
+    enabled: false
+    
+  qwen:
+    api_host: "https://dashscope.aliyuncs.com/compatible-mode/v1"
+    api_key: "${QWEN_API_KEY}"
+    model: "qwen-turbo"
+    enabled: true
+    
+  openai:
+    api_host: "https://api.openai.com/v1"
+    api_key: "${OPENAI_API_KEY}"
+    model: "gpt-3.5-turbo"
+    enabled: true
+
+prompts:
+  technical: "你是一位专业的技术翻译，请准确翻译以下技术文档，保持专业术语的准确性。"
+  creative: "你是一位富有创造力的翻译家，请用优美流畅的语言翻译以下内容。"
+  academic: "你是一位学术翻译专家，请用严谨的学术语言翻译以下内容。"
+  simple: "请用简单易懂的语言翻译以下内容。"