catalog part connected to backend , added empty data and loading component

components/loadingSkleton.tsx

@@ -0,0 +1,41 @@
+// components/CatalogCardSkeleton.tsx
+export default function CatalogCardSkeleton() {
+  return (
+    <div className="relative h-112.5 w-full overflow-hidden rounded-2xl bg-[#17161679] border border-white/10 animate-pulse">
+      {/* Content container */}
+      <div className="relative h-full flex flex-col p-6">
+        {/* Title section */}
+        <div className="mb-4">
+          <div className="flex items-start justify-between mb-2">
+            {/* Title skeleton */}
+            <div className="flex-1 space-y-2">
+              <div className="h-7 bg-white/10 rounded-md w-3/4" />
+              <div className="h-7 bg-white/10 rounded-md w-1/2" />
+            </div>
+            {/* Icon skeleton */}
+            <div className="shrink-0 w-8 h-8 rounded-full bg-white/10" />
+          </div>
+
+          {/* Description skeleton */}
+          <div className="space-y-2 mt-3">
+            <div className="h-4 bg-white/10 rounded w-full" />
+            <div className="h-4 bg-white/10 rounded w-4/5" />
+          </div>
+        </div>
+
+        {/* Image container skeleton */}
+        <div className="relative flex-1 rounded-xl overflow-hidden bg-linear-to-br from-[#444242] to-gray-900/50 border border-white/5">
+          <div className="absolute inset-0 flex items-center justify-center">
+            <div className="w-32 h-32 bg-white/5 rounded-lg" />
+          </div>
+        </div>
+
+        {/* Bottom accent bar skeleton */}
+        <div className="mt-4 h-1 w-1/3 bg-white/10 rounded-full" />
+      </div>
+
+      {/* Shimmer effect */}
+      <div className="absolute inset-0 -translate-x-full animate-shimmer bg-linear-to-r from-transparent via-white/5 to-transparent" />
+    </div>
+  );
+}