[FEAT] Shuffling operation over any array size

[manel1874]

Request new nada-numpy feature

Extend the shuffling functionality proposed in #69 to support arrays with any size. Currently, it only supports arrays with size as a power of two.

[jfdreis]

There are generalized versions of the Benes Network, supporting arrays with size different from a power of two. The following works may be helpful to extend the shuffling functionality: Algorithms in HElib and Arbitrary Size Benes Networks

[jimouris]

+1 This is much needed :)