Add Links to the screencasts

README.md

@@ -14,3 +14,8 @@ $ ./heap
 - No tricks that obscure the pointers (like XOR Linked Lists).
 - Probably works only on x86_64
 - Probably works only when compiled with GCC
+
+## Screencast
+
+[![thumbnail](./thumbnails/part-1.png)](https://www.youtube.com/watch?v=sZ8GJ1TiMdk) [![thumbnail](./thumbnails/part-2.png)](https://www.youtube.com/watch?v=2JgEKEd3tw8)
+>>>>>>> Add Links to the screencasts