How can you add a Link into a Ticket in Github

I am trying to add either a link or a design to a ‘specific ticket number’ within an Epic or Story in Github, in order for the developers have a link to the designs before they build it. I cannot find a plugin to do this and wondered if anyone has an automatic way or plugin which will do this?
I have found a plugin (Figma asset to Github) which allows me to add the links/ SVG into the Repo in a specific file but this is not what I need.
I know I can copy and paste the link or design into Github, but would prefer to be automatically done from the Figma design. Any help on this would be useful. Cheers