feat: change up organisation

labs/cs2030s/PE2/plab0124/MyTest.java

@@ -0,0 +1,11 @@
+import cs2030s.fp.Saveable;
+import cs2030s.fp.Immutator;
+import java.util.stream.Stream;
+import java.util.List;
+
+class MyTest {
+  public static void main(String[] args){
+   Immutator<Saveable<Integer>, Object> hash = o -> Saveable.<Integer>of(o.hashCode() + 10); 
+   Saveable.<Number>of(4).flatMap2(hash);
+  }
+}