How do I configure "Open with Visual Studio"

I use Firefox as my browser and I’m familiar with associating executables with the browser so that specialized links can be opened. For example: magnet links.

To be clear: I am speaking of the option that appears under the “code:” dropdown on the Git Website.
Open with Visual Studio

However, after many attempts, I’ve been unable to figure out which binary I should select to make this work. All of the things I tried errored out and some complained about “Git-Client://”. I assume there is a way to do this or the link probably wouldn’t exist on Github.

I did search before creating this Topic. There is only one other thread that mentions this and it wasn’t useful. Thanks in advance!