Updated .gitignore

Signed-off-by: Mpho Mphego <mpho112@gmail.com>

Author: mmphego

.gitignore

@@ -148,4 +148,4 @@ dmypy.json
 pyvenv.cfg
 pip-selfcheck.json
 
-# End of https://www.toptal.com/developers/gitignore/api/virtualenv,python
+demo.mp4