introduce NativeObjectContainer

Author: burdoto

src/main/java/org/comroid/api/attr/NativeObjectContainer.java

@@ -0,0 +1,8 @@
+package org.comroid.api.attr;
+
+import lombok.Data;
+
+@Data
+public class NativeObjectContainer<T> {
+    protected T nativeObject;
+}