F(frontend): add route loading feedback

src/components/page-loading.tsx

@@ -0,0 +1,69 @@
+import { Skeleton } from "@/components/ui/skeleton";
+
+export function ListingPageLoading() {
+  return (
+    <div className="min-h-screen bg-background" dir="rtl">
+      <div className="container mx-auto px-4 py-8">
+        <Skeleton className="mb-8 h-10 w-40" />
+        <Skeleton className="mb-8 h-10 w-full max-w-md" />
+        <div className="grid gap-6 md:grid-cols-2 lg:grid-cols-3">
+          {Array.from({ length: 6 }).map((_, index) => (
+            <div
+              key={index}
+              className="overflow-hidden rounded-lg border bg-card"
+            >
+              <Skeleton className="aspect-video w-full rounded-none" />
+              <div className="space-y-4 p-6">
+                <div className="flex items-start justify-between gap-3">
+                  <Skeleton className="h-6 flex-1" />
+                  <Skeleton className="h-6 w-16" />
+                </div>
+                <Skeleton className="h-4 w-32" />
+                <div className="space-y-3 pt-2">
+                  <Skeleton className="h-4 w-full" />
+                  <Skeleton className="h-4 w-5/6" />
+                  <Skeleton className="h-10 w-full" />
+                </div>
+              </div>
+            </div>
+          ))}
+        </div>
+      </div>
+    </div>
+  );
+}
+
+export function DetailPageLoading() {
+  return (
+    <div className="min-h-screen bg-background" dir="rtl">
+      <div className="container mx-auto px-4 py-8">
+        <div className="mb-6 flex items-center justify-between gap-3">
+          <Skeleton className="h-10 w-36" />
+          <Skeleton className="h-5 w-28" />
+        </div>
+
+        <div className="overflow-hidden rounded-lg border bg-card">
+          <Skeleton className="aspect-video w-full rounded-none" />
+          <div className="space-y-6 p-6">
+            <div className="flex flex-wrap gap-2">
+              <Skeleton className="h-6 w-20" />
+              <Skeleton className="h-6 w-24" />
+            </div>
+            <Skeleton className="h-10 w-4/5" />
+            <Skeleton className="h-4 w-40" />
+            <div className="space-y-3">
+              <Skeleton className="h-4 w-full" />
+              <Skeleton className="h-4 w-full" />
+              <Skeleton className="h-4 w-11/12" />
+              <Skeleton className="h-4 w-5/6" />
+            </div>
+            <div className="grid gap-4 md:grid-cols-2">
+              <Skeleton className="h-28 w-full" />
+              <Skeleton className="h-28 w-full" />
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+}