Добавил vue и vuex

package-lock.json

@@ -7683,6 +7683,11 @@
       "integrity": "sha512-x3LV3wdmmERhVCYy3quqA57NJW7F3i6faas++pJQWtknWT+n7k30F4TVdHvCLn48peTJFRvCpxs3UuFPqgeELg==",
       "dev": true
     },
+    "vuex": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/vuex/-/vuex-3.0.1.tgz",
+      "integrity": "sha512-wLoqz0B7DSZtgbWL1ShIBBCjv22GV5U+vcBFox658g6V0s4wZV9P4YjCNyoHSyIBpj1f29JBoNQIqD82cR4O3w=="
+    },
     "watchpack": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/watchpack/-/watchpack-1.6.0.tgz",

package.json

@@ -46,6 +46,7 @@
     "lazy.js": "^0.5.1",
     "sql-template-strings": "^2.2.2",
     "sqlite": "^3.0.0",
-    "vue": "^2.5.21"
+    "vue": "^2.5.21",
+    "vuex": "^3.0.1"
   }
 }