feat: added method to get module instances

src/main/java/ftbsc/bscv/system/ModManager.java

@@ -25,6 +25,17 @@ public class ModManager {
 		this.categories = new HashSet<>();
 	}
 		
+
+	@Nullable
+	public IModule get(Class<? extends IModule> clazz) {
+		for (IModule m : this.mods) {
+			if (clazz.isAssignableFrom(m.getClass())) {
+				return m;
+			}
+		}
+		return null;
+	}
+
 	public void load() {
 		for (ILoadable module : ServiceLoader.load(ILoadable.class)) {
 			if(module instanceof IModule) {