add vue-router

package.json

@@ -19,7 +19,8 @@
     "loopback-boot": "^2.6.5",
     "loopback-component-explorer": "^4.0.0",
     "strong-error-handler": "^1.0.1",
-    "vue": "^2.1.10"
+    "vue": "^2.1.10",
+    "vue-router": "^2.2.0"
   },
   "devDependencies": {
     "babel-core": "^6.22.1",

yarn.lock

@@ -5959,6 +5959,10 @@ vue-loader@^10.1.2:
     vue-style-loader "^1.0.0"
     vue-template-es2015-compiler "^1.2.2"
 
+vue-router@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/vue-router/-/vue-router-2.2.0.tgz#65a29ce23d718ddf09237938a58a01b3d1acc77c"
+
 vue-style-loader@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/vue-style-loader/-/vue-style-loader-1.0.0.tgz#abeb7bd0f46313083741244d3079d4f14449e049"