added create_datapack, check_hidden_dimensions and world_dimensions in system info.

src/main/java/carpet/fakes/MinecraftServerInterface.java

@@ -1,5 +1,6 @@
 package carpet.fakes;
 
+import net.minecraft.resource.ServerResourceManager;
 import net.minecraft.server.world.ServerWorld;
 import net.minecraft.util.registry.RegistryKey;
 import net.minecraft.world.World;
@@ -13,4 +14,5 @@ public interface MinecraftServerInterface
     void forceTick(BooleanSupplier sup);
     LevelStorage.Session getCMSession();
     Map<RegistryKey<World>, ServerWorld> getCMWorlds();
+    ServerResourceManager getResourceManager();
 }