[Enhancement]: Add Debugging Switches Documentation

[bernie-laberge]

Discussed in https://github.com/AcademySoftwareFoundation/OpenRV/discussions/231

^{Originally posted by mikepkes August 9, 2023} The debugging switches have been invaluable for narrowing down issues or understanding behaviors. Making this into both -help and user documentation would help elevate this valuable set of debugging tools.

https://github.com/AcademySoftwareFoundation/OpenRV/blob/41eccbe03bf2462b399fec6511be1d11de6c6327/src/lib/app/RvApp/Options.cpp#L64