added mixin for mobile check

luckydiamond/src/main.js

@@ -2,10 +2,12 @@ import { createApp } from 'vue'
 import App from './App.vue'
 
 import router from "@/router/router";
+import { Mixins } from "@/mixins/mixin";
 
 import '@/assets/css/global.css'
 
 const app = createApp(App)
 app.use(router)
+app.mixin(Mixins)
 
 app.mount('#app')