Passing mod container to config registration.

src/main/java/dev/micle/firefly_bush_backport/proxy/Proxy.java

@@ -27,7 +27,7 @@ public class Proxy implements IProxy {
 
     // Common setup
     public Proxy(IEventBus modEventBus, ModContainer modContainer) {
-        Config.register();
+        Config.register(modContainer);
         ModBlocks.register(modEventBus);
         ModItems.register(modEventBus);
         ModCreativeModeTabs.register(modEventBus);