chore: version upgrade to 3.0.0-bridge-alpha.1

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@coreui/coreui-free-vue-admin-template",
-  "version": "v3-alpha.1",
+  "version": "3.0.0-alpha.1",
   "description": "Open Source Bootstrap Admin Template",
   "author": "Łukasz Holeczek",
   "homepage": "http://coreui.io",

src/main.js

@@ -10,7 +10,8 @@ import '@babel/polyfill'
 import Vue from 'vue'
 import App from './App'
 import router from './router'
-import CoreuiVue from '@coreui/vue'
+import CoreuiVue from '@coreui/vue/src'
+
 Vue.config.performance = true
 
 // todo