dep: bootstrap-vue-3 추가

- 아직 없는 기능이 많으므로 단순 출력은 CoreUI Vue 동시 활용
- 불편..

hwe/ts/v_join.ts

@@ -1,4 +1,7 @@
 import { createApp } from 'vue'
 import Join from './Join.vue';
+import BootstrapVue3 from 'bootstrap-vue-3'
+import "../scss/bootstrap5.scss";
+import 'bootstrap-vue-3/dist/bootstrap-vue-3.css'
 
-createApp(Join).mount('#app')
+createApp(Join).use(BootstrapVue3).mount('#app')