fix: add plugin order warning

Author: KaelWD

packages/vite-plugin/src/importPlugin.ts

@@ -1,5 +1,5 @@
 import { extname } from 'path'
-import { PluginOption } from 'vite'
+import { Plugin, PluginOption } from 'vite'
 import { generateImports } from '@vuetify/loader-shared'
 import { parse as parseUrl, URLSearchParams } from 'url'
 
@@ -15,6 +15,11 @@ function parseId (id: string) {
 export function importPlugin (): PluginOption {
   return {
     name: 'vuetify:import',
+    configResolved (this: Plugin, config) {
+      if (config.plugins.indexOf(this) < config.plugins.findIndex(plugin => plugin.name === 'vite:vue')) {
+        throw new Error('Vuetify plugin must be loaded after the vue plugin')
+      }
+    },
     async transform (code, id) {
       const { query, path } = parseId(id)
       if (extname(path) === '.vue' && !query) {