chore: update screenshots in readme and sso icon

README.md

@@ -13,6 +13,7 @@ nodecast-tv is a modern, web-based IPTV player featuring Live TV, EPG, Movies (V
 - **🎬 VOD Support**: Dedicated sections for Movies and TV Series with rich metadata, posters, and seasonal episode lists.
 - **❤️ Favorites System**: Unified favorites for channels, movies, and series with instant synchronization.
 - **🔐 Authentication**: User login system with admin and viewer roles ([details](https://github.com/technomancer702/nodecast-tv/pull/23)).
+- **🆔 OIDC SSO**: Support for Single Sign-On via OIDC providers (Authentik, Keycloak, etc.).
 - **⚡ High Performance**: Optimized for large playlists (7000+ channels) using virtual scrolling and batch rendering.
 - **⚙️ Management**: 
   - Support for Xtream Codes and M3U playlists.
@@ -26,10 +27,12 @@ nodecast-tv is a modern, web-based IPTV player featuring Live TV, EPG, Movies (V
 ## Screenshots
 
 <div align="center">
-  <img src="public/img/screenshots/screenshot-1.png" width="45%" alt="Screenshot 1" />
-  <img src="public/img/screenshots/screenshot-2.png" width="45%" alt="Screenshot 2" />
-  <img src="public/img/screenshots/screenshot-3.png" width="45%" alt="Screenshot 3" />
-  <img src="public/img/screenshots/screenshot-4.png" width="45%" alt="Screenshot 4" />
+  <img src="public/img/screenshots/screenshot-dashboard.png" width="45%" alt="Dashboard" />
+  <img src="public/img/screenshots/screenshot-1.png" width="45%" alt="Live TV" />
+  <img src="public/img/screenshots/screenshot-2.png" width="45%" alt="TV Guide" />
+  <img src="public/img/screenshots/screenshot-3.png" width="45%" alt="Movies" />
+  <img src="public/img/screenshots/screenshot-4.png" width="45%" alt="Series" />
+  <img src="public/img/screenshots/screenshot-settings.png" width="45%" alt="Settings" />
 </div>
 
 ## Getting Started