[Doc] add nav link (#1620)

package.json

@@ -83,7 +83,7 @@
     "gulp-iconfont-css": "^2.3.0",
     "html-webpack-plugin": "3.2.0",
     "husky": "^0.14.3",
-    "jest": "^23.4.2",
+    "jest": "^23.5.0",
     "jest-serializer-vue": "^2.0.2",
     "lint-staged": "^7.2.0",
     "md5-file": "^4.0.0",
@@ -101,7 +101,7 @@
     "stylelint-config-standard": "^18.2.0",
     "uppercamelcase": "^3.0.0",
     "url-loader": "^1.0.1",
-    "vant-doc": "1.0.13",
+    "vant-doc": "1.0.14",
     "vue": "2.5.17",
     "vue-jest": "^2.6.0",
     "vue-loader": "^15.3.0",