fix bundle size

src/app/services/swiper-element.ts

@@ -0,0 +1,11 @@
+let swiperRegistrationPromise: Promise<void> | null = null;
+
+export function ensureSwiperElement(): Promise<void> {
+  if (!swiperRegistrationPromise) {
+    swiperRegistrationPromise = import('swiper/element/bundle').then(({register}) => {
+      register();
+    });
+  }
+
+  return swiperRegistrationPromise;
+}