Support for .ico files

[RyanLua]

Is your feature request related to a problem? Please describe.
I was trying to compress the .ico which is used for my site but realized there is no such option or issues describing it.

Describe the solution you'd like
A way to compress .ico files since they're very commonly used in development.

Does other service/app have this feature?
Searching online you can find numberous sites to compress .ico

https://imagecompressor.11zon.com/en/compress-ico
https://compress-image.net/compress-image-online/compress-ico