feat: added link for SwayFX ISO

Author: slipstream8125

src/components/DownloadDropdown.astro

@@ -16,7 +16,10 @@
     </a>
     <a href="https://downloads.stratos-linux.org/niri-iso/StratOS-Niri-2026.02.09-x86_64.iso" class="dropdown-item">
 		<span class="version">Niri ISO</span>
-    </a>
+	</a>
+	<a href="https://downloads.stratos-linux.org/swayfx-iso/StratOS-2026.07.29-x86_64.iso" class="dropdown-item">
+		<span class="version">SwayFX ISO</span>
+	</a>
    </div>
 </div>