feat(mobile): track mobile app scaffold

mobile/app/app.json

@@ -0,0 +1,72 @@
+{
+  "expo": {
+    "name": "X-Financial",
+    "slug": "x-financial-mobile",
+    "version": "1.0.0",
+    "orientation": "portrait",
+    "icon": "./assets/images/icon.png",
+    "scheme": "xfinancial",
+    "userInterfaceStyle": "light",
+    "ios": {
+      "icon": "./assets/expo.icon"
+    },
+    "android": {
+      "package": "com.xfinancial.mobile",
+      "permissions": [
+        "CAMERA",
+        "RECORD_AUDIO",
+        "READ_MEDIA_IMAGES"
+      ],
+      "adaptiveIcon": {
+        "backgroundColor": "#EFFCF6",
+        "foregroundImage": "./assets/images/android-icon-foreground.png",
+        "backgroundImage": "./assets/images/android-icon-background.png",
+        "monochromeImage": "./assets/images/android-icon-monochrome.png"
+      },
+      "predictiveBackGestureEnabled": true
+    },
+    "web": {
+      "output": "static",
+      "favicon": "./assets/images/favicon.png"
+    },
+    "plugins": [
+      "expo-router",
+      [
+        "expo-camera",
+        {
+          "cameraPermission": "X-Financial 需要使用相机拍摄和识别报销票据。"
+        }
+      ],
+      [
+        "expo-image-picker",
+        {
+          "photosPermission": "X-Financial 需要读取相册中的票据图片用于报销识别。"
+        }
+      ],
+      [
+        "expo-splash-screen",
+        {
+          "backgroundColor": "#059669",
+          "android": {
+            "image": "./assets/images/splash-icon.png",
+            "imageWidth": 76
+          }
+        }
+      ],
+      [
+        "expo-audio",
+        {
+          "microphonePermission": "X-Financial 需要使用麦克风进行语音输入。"
+        }
+      ],
+      "expo-secure-store"
+    ],
+    "experiments": {
+      "typedRoutes": true,
+      "reactCompiler": true
+    },
+    "extra": {
+      "apiBaseUrl": "http://10.0.2.2:8000/api/v1"
+    }
+  }
+}