Fixes broken build by re-adding vue-router pinned version.

Author: wallace

package-lock.json

@@ -67,6 +67,7 @@
     "register-service-worker": "^1.7.1",
     "stripe": "^11.1.0",
     "vue": "^2.6.11",
+    "vue-router": "^3.6.5",
     "vuetify": "^2.6.8",
     "vuex": "^3.4.0"
   },