[file-env]添加uni-env示例（修改入口）

pages.json

@@ -459,10 +459,10 @@
       }
     },
    {
-     "path" : "pages/API/get-file-uni-env/get-file-uni-env",
+     "path" : "pages/API/uni-env/uni-env",
      "style" :
      {
-       "navigationBarTitleText" : "file-uni-env"
+       "navigationBarTitleText" : "uni-env"
      }
    },
     // #endif

pages/tabBar/API.uvue

@@ -90,6 +90,10 @@
                 name: '退出应用',
                 url: 'exit',
               },
+              {
+                name: 'uni.env',
+                url: 'uni-env'
+              },
               // #endif
             ] as Page[],
           },
@@ -448,11 +452,7 @@
               {
                 name: 'fileSystemManager文件管理',
                 url: 'get-file-system-manager'
-              },
-              {
-                name: 'uni.env',
-                url: 'get-file-uni-env'
-              },
+              }
             ] as Page[],
           },
           // #endif