feat: add NeoForge to ModLoaderType

Signed-off-by: Sefa Eyeoglu <contact@scrumplex.net>

launcher/modplatform/flame/FlameAPI.h

@@ -46,7 +46,9 @@ class FlameAPI : public NetworkResourceAPI {
             return 4;
         // TODO: remove this once Quilt drops official Fabric support
         if (loaders & Quilt)  // NOTE: Most if not all Fabric mods should work *currently*
-            return 4;         // Quilt would probably be 5
+            return 4;         // FIXME: implement multiple loaders filter
+        if (loaders & NeoForge)
+            return 6;
         return 0;
     }