Update README.md

MitkoVtori · web-flow · commit 0bdff9f28e77 · 2023-03-01T12:59:33.000+02:00
diff --git a/OOP/README.md b/OOP/README.md
@@ -8,3 +8,4 @@
 | <a href="2.Classes and Objects">Classes and Objects</a> |
 | ------------------ |
 | <a href="2.Classes and Objects/Classes and Objects - Lab">Classes and Objects</a> |
+| <a href="2.Classes and Objects/Classes and Objects - Exercise">Exercise: Classes and Objects</a> |
