feat(tabBar): 添加底部导航栏配置

添加底部导航栏的完整配置，包括颜色、高度、字体大小等样式设置，以及首页、关于和我的三个导航项

src/pages.json

@@ -14,7 +14,31 @@
       "^(?!z-paging-refresh|z-paging-load-more)z-paging(.*)": "z-paging/components/z-paging$1/z-paging$1.vue"
     }
   },
-  "tabBar": {},
+  "tabBar": {
+    "custom": true,
+    "color": "#999999",
+    "selectedColor": "#018d71",
+    "backgroundColor": "#F8F8F8",
+    "borderStyle": "black",
+    "height": "50px",
+    "fontSize": "10px",
+    "iconWidth": "24px",
+    "spacing": "3px",
+    "list": [
+      {
+        "text": "首页",
+        "pagePath": "pages/index/index"
+      },
+      {
+        "text": "关于",
+        "pagePath": "pages/about/about"
+      },
+      {
+        "text": "我的",
+        "pagePath": "pages/me/me"
+      }
+    ]
+  },
   "pages": [
     {
       "path": "pages/index/index",