add vue-demi

package.json

@@ -39,6 +39,7 @@
     "qrcode": "1",
     "url": "^0.11.0",
     "vue": "^3.2.31",
+    "vue-demi": "^0.13.11",
     "vue-i18n": "^9.2.2",
     "vue-router": "4.0.14",
     "vue-template-compiler": "2.6.11",
@@ -66,8 +67,7 @@
     "cross-spawn": "^7.0.3",
     "css-loader": "^6.7.2",
     "custom-event-polyfill": "^1.0.7",
-    "eslint": "^7.32.0",
-    "eslint-config-standard": "^17.0.0",
+    "eslint": "7.32.0",
     "eslint-friendly-formatter": "^4.0.1",
     "eslint-loader": "^4.0.2",
     "eslint-plugin-import": "^2.26.0",