New comment by Anachron on void-packages repository

https://github.com/void-linux/void-packages/issues/20070#issuecomment-598762335

Comment:
@abenson made me aware of the https://github.com/void-linux/void-packages/blob/4a00d41d3d4757f443b56899010f420f718a4672/srcpkgs/seq2gif/template alternative.