新增初始化tabbar以及静态资源

pages.json

@@ -14,6 +14,20 @@
       ]
     }
   ],
+  "tabBar": {
+    "color": "#c3c3c3",
+    "selectedColor": "#454c5c",
+    "backgroundColor": "#ffffff",
+    "borderStyle": "black",
+    "list": [
+      {
+        "pagePath": "pages/index/index",
+        "text": "首页",
+        "iconPath": "static/assets/icon_home.png",
+        "selectedIconPath": "static/assets/icon_home_selected.png"
+      }
+    ]
+  },
   "easycom": {
     "autoscan": true,
     "custom": {