chore: add type for import by eslint (#253)

src/modules/i18n.ts

@@ -1,5 +1,5 @@
 import { createI18n } from 'vue-i18n'
-import { UserModule } from '~/types'
+import type { UserModule } from '~/types'
 
 // Import i18n resources
 // https://vitejs.dev/guide/features.html#glob-import

src/modules/nprogress.ts

@@ -1,5 +1,5 @@
 import NProgress from 'nprogress'
-import { UserModule } from '~/types'
+import type { UserModule } from '~/types'
 
 export const install: UserModule = ({ isClient, router }) => {
   if (isClient) {

src/modules/pinia.ts

@@ -1,5 +1,5 @@
 import { createPinia } from 'pinia'
-import { UserModule } from '~/types'
+import type { UserModule } from '~/types'
 
 // Setup Pinia
 // https://pinia.esm.dev/

src/modules/pwa.ts

@@ -1,4 +1,4 @@
-import { UserModule } from '~/types'
+import type { UserModule } from '~/types'
 
 // https://github.com/antfu/vite-plugin-pwa#automatic-reload-when-new-content-available
 export const install: UserModule = ({ isClient, router }) => {