Installation instructions

[linguini1]

The Wiki for this repository should contain instructions about how to download, build and run the emulation software. This includes any system requirements, compiler, etc.

[bskdany]

If you count https://github.com/CarletonURocketry/hysim/wiki/Running-on-NuttX as installation instructions then this issue can be closed.

[linguini1]

I'll leave it open for now, I'm thinking we should eventually include instructions for using the Docker image, WSL and Linux/MacOS