feat: 添加前端界面和市场分析模块

- 新增 Vue 3 + Vuetify 前端界面
- 新增市场分析模块 (market/)
- 更新主服务器和路由
- 更新 MT5 EA 文件
- 添加 .gitignore 排除临时文件

frontend/package.json

@@ -0,0 +1,24 @@
+{
+  "name": "lianghua-trading-frontend-vue",
+  "version": "1.0.0",
+  "description": "Vue 3 前端界面 for 高性能交易服务",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "vite build",
+    "preview": "vite preview"
+  },
+  "dependencies": {
+    "vue": "^3.4.0",
+    "vue-router": "^4.2.0",
+    "axios": "^1.6.0",
+    "vuetify": "^3.5.0",
+    "echarts": "^5.4.0",
+    "vue-echarts": "^6.6.0",
+    "@mdi/font": "^7.4.0"
+  },
+  "devDependencies": {
+    "@vitejs/plugin-vue": "^5.0.0",
+    "vite": "^5.0.0"
+  }
+}