Add video feed feature with related components and hooks

- Implemented VideoFeed component to display sightings.
- Created useSightingList and useVideoFeed hooks for data fetching and state management.
- Added AppProviders for context management.
- Updated Dashboard to include VideoFeed.
- Introduced types for sightings in utils/types.tsx.
- Added Header and Footer components for layout.
- Configured React Query for data handling.

src/features/dashboard/Dashboard.tsx

@@ -0,0 +1,12 @@
+import VideoFeed from "./components/videoFeed/VideoFeed";
+
+const Dashboard = () => {
+  return (
+    <div>
+      Dashboard
+      <VideoFeed />
+    </div>
+  );
+};
+
+export default Dashboard;