Provide example on how to use with Mono

[probonopd]

E.g., with this Mono application that is available for Linux:
https://www.telerik.com/download/fiddler

[phil-harmoniq]

I mainly have experience with the .NET Core and not Mono so I had to do some digging. I can get this program packed up in an AppImage, but it keeps throwing a weird error that doesn't happen when running it directly. I'm currently trying to find the source of the issue.