Update README.md

MitkoVtori · web-flow · commit d6a1ad2e5880 · 2023-03-07T16:42:09.000+02:00
diff --git a/OOP/README.md b/OOP/README.md
@@ -18,3 +18,4 @@
 | <a href="4.Encapsulation">Encapsulation</a> |
 | ------------------ |
 | <a href="4.Encapsulation/Encapsulation - Lab">Encapsulation</a> |
+| <a href="4.Encapsulation/Encapsulation - Exercise">Exercise: Encapsulation</a> |
