Return true when registerBus to act as a valid mod

Author: Rongmario

src/main/java/com/cleanroommc/scalar/ScalarModContainer.java

@@ -1,6 +1,8 @@
 package com.cleanroommc.scalar;
 
+import com.google.common.eventbus.EventBus;
 import net.minecraftforge.fml.common.DummyModContainer;
+import net.minecraftforge.fml.common.LoadController;
 import net.minecraftforge.fml.common.ModMetadata;
 
 import java.util.List;
@@ -16,4 +18,9 @@ public ScalarModContainer() {
                 authorList = List.of("CleanroomMC", "kappa_maintainer");
         }});
     }
+
+    @Override
+    public boolean registerBus(EventBus bus, LoadController controller) {
+        return true;
+    }
 }