feat: break apart loading of room availability and hotel card

feat: add skeletons

components/HotelReservation/SelectRate/RoomSelection/RoomCard/RoomCardSkeleton.tsx

@@ -0,0 +1,21 @@
+import SkeletonShimmer from "@/components/SkeletonShimmer"
+
+import styles from "./RoomCardSkeleton.module.css"
+
+export function RoomCardSkeleton() {
+  return (
+    <article className={styles.card}>
+      {/* image container */}
+      <div className={styles.imageContainer}>
+        <SkeletonShimmer width={"100%"} height="100%" />
+      </div>
+
+      <div className={styles.priceVariants}>
+        {/* price variants */}
+        {Array.from({ length: 3 }).map((_, index) => (
+          <SkeletonShimmer key={index} height={"100px"} />
+        ))}
+      </div>
+    </article>
+  )
+}