style(pages): 优化页面配置文件格式

- 将 JSON 文件的缩进从 2 个空格改为 4 个空格
- 调整了一些换行和空格，使格式更加规范

pages.json

@@ -1,5 +1,6 @@
 {
-	"pages": [{
+  "pages": [
+    {
       "path": "pages/student/index/index",
       "style": {
         "navigationBarTitleText": "首页",
@@ -7,32 +8,32 @@
         "navigationBarBackgroundColor": "#fff",
         "navigationBarTextStyle": "white"
       }
-		}, {
+    },
+    {
       "path": "pages/student/timetable/index",
       "style": {
         "navigationBarTitleText": "课表",
         "navigationStyle": "default",
         "navigationBarBackgroundColor": "#fff",
         "navigationBarTextStyle": "white"
-
       }
-		}, {
+    },
+    {
       "path": "pages/student/my/my",
       "style": {
         "navigationBarTitleText": "我的",
         "navigationStyle": "default",
         "navigationBarBackgroundColor": "#fff",
         "navigationBarTextStyle": "white"
-
       }
-		}, {
+    },
+    {
       "path": "pages/student/login/login",
       "style": {
         "navigationBarTitleText": "",
         "navigationStyle": "default",
         "navigationBarBackgroundColor": "#fff",
         "navigationBarTextStyle": "white"
-
       }
     },
     {
@@ -42,7 +43,6 @@
         "navigationStyle": "default",
         "navigationBarBackgroundColor": "#fff",
         "navigationBarTextStyle": "black"
-
       }
     }
   ],