Installed vue router

package-lock.json

@@ -5029,14 +5029,12 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -5056,8 +5054,7 @@
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "console-control-strings": {
           "version": "1.1.0",
@@ -5205,7 +5202,6 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -10677,6 +10673,11 @@
         "vue-style-loader": "^4.1.0"
       }
     },
+    "vue-router": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/vue-router/-/vue-router-3.0.4.tgz",
+      "integrity": "sha512-wjirAFeMR53FFTRIM2ofLKH5BJte6Q9+MUiOj6fLzqhgerjVyQVeMmvgiQDslPJJHSqFfQ559EDvIi0lA1Lr6g=="
+    },
     "vue-style-loader": {
       "version": "4.1.2",
       "resolved": "https://registry.npmjs.org/vue-style-loader/-/vue-style-loader-4.1.2.tgz",