Reading and Generating QR codes with C# in Unity 3D — the easy way

I have had a tremendously difficult time on my quest to add a QR code generator/renderer and a QR reader into the GUI of a Unity project, and this is the easy way out.

I am slightly over-exaggerating here. We talking about only around two days here, BUT that is still too much time for such a simple feature in this day and age and I feel other people…