[Developer] #424 implement VPD ORDS backoffice

Refs #424

src/main/resources/static/js/app.js

@@ -0,0 +1,6 @@
+document.body.addEventListener('htmx:responseError', (event) => {
+  const target = event.detail.target;
+  if (target) {
+    target.innerHTML = '<div class="alert alert-danger">요청 처리 중 오류가 발생했습니다.</div>';
+  }
+});