feat: 新增钢铁厂数字孪生平台基础架构和功能模块

- 添加Three.js基础场景配置和核心功能模块
- 实现模型加载器、动画循环和交互选择器
- 添加温度、压力等仪表盘组件
- 配置Vite构建工具和ESLint规范
- 添加基础UI组件和布局系统
- 实现数据可视化图表组件
- 配置Nginx部署文件
- 添加钢铁厂设备数据模型

apps/steelmill/.stylelintrc.json

@@ -0,0 +1,27 @@
+{
+  "extends": [
+    "stylelint-config-recommended",
+    "stylelint-config-recommended-scss",
+    "stylelint-config-recess-order",
+    "stylelint-prettier/recommended",
+    "stylelint-config-html/vue"
+  ],
+  "overrides": [
+    {
+      "files": ["**/*.{css,scss}"],
+      "customSyntax": "postcss-scss"
+    },
+    {
+      "files": ["**/*.(html|vue)"],
+      "customSyntax": "postcss-html"
+    }
+  ],
+  "rules": {
+    "selector-pseudo-class-no-unknown": [
+      true,
+      {
+        "ignorePseudoClasses": ["global", "export", "v-deep", "deep"]
+      }
+    ]
+  }
+}