added 1RM and macro calculators to fitness dashboard.

src/app/(app)/feed/page.tsx

@@ -0,0 +1,20 @@
+"use client";
+
+import { StoriesBanner } from "@/components/feed/StoriesBanner";
+import { PostCard } from "@/components/feed/PostCard";
+import { MOCK_POSTS } from "@/lib/mock-data";
+
+export default function FeedPage() {
+  return (
+    <div className="w-full">
+      <StoriesBanner />
+      
+      {/* Masonry Layout Container */}
+      <div className="columns-1 sm:columns-2 lg:columns-3 xl:columns-4 gap-6 space-y-6 px-4 pb-24">
+        {MOCK_POSTS.map((post) => (
+          <PostCard key={post.id} post={post} />
+        ))}
+      </div>
+    </div>
+  );
+}