Include semi-documented contraction algo options

[kshyatt]

In fact, there are more algorithms than we include now:

https://docs.nvidia.com/cuda/cutensor/api/types.html#cutensoralgo-t

values >= 0 correspond to certain sub-algorithms of GETT

I checked and currently the maximum number of algorithms function returns 9. Maybe there's a runtime way to set this up?

[maleadt]

If those algorithms aren't listed in the header, are we "supposed" to use them (stability, correctness, and whatnot)? Modifying the generated files doesn't seem ideal either.

[kshyatt]

@springer13 is there some way we could get these doc-ed in CUTENSOR's documentation/listed in the header for the auto-generation script?