LibGfx: Add support for DDS images

Author: https://github.com/stelar7
Commit: 24c5b0e81c
Pull-request: https://github.com/SerenityOS/serenity/pull/7162
Reviewed-by: https://github.com/IdanHo
Reviewed-by: https://github.com/alimpfard
Reviewed-by: https://github.com/drunderscore
Reviewed-by: https://github.com/linusg

Userland/Libraries/LibGfx/Bitmap.cpp

@@ -13,6 +13,7 @@
 #include <AK/String.h>
 #include <LibGfx/BMPLoader.h>
 #include <LibGfx/Bitmap.h>
+#include <LibGfx/DDSLoader.h>
 #include <LibGfx/GIFLoader.h>
 #include <LibGfx/ICOLoader.h>
 #include <LibGfx/JPGLoader.h>