add asciinema to README.md

Author: ZLOI27

README.md

@@ -1,2 +1,4 @@
 ### Hexlet tests and linter status:
-[![Actions Status](https://github.com/ZLOI27/python-project-50/actions/workflows/hexlet-check.yml/badge.svg)](https://github.com/ZLOI27/python-project-50/actions)
+[![Actions Status](https://github.com/ZLOI27/python-project-50/actions/workflows/hexlet-check.yml/badge.svg)](https://github.com/ZLOI27/python-project-50/actions)
+### Asciinema gendiff of two files
+[![asciicast](https://asciinema.org/a/0naRf02Fr7ymDJ0kPU9AUXnbh.svg)](https://asciinema.org/a/0naRf02Fr7ymDJ0kPU9AUXnbh)