Add more examples #16
Description
- VG's frustrated Ising : Add the frustrated 2D Ising example #24
- VK's worm alg (rewrite?)
- RM wolff cluster : Ising cluster update code #22 : a follow-up in Follow ups to the Ising cluster update PR #53
- poisson generator w/ RndmWrapper : ENH: random: Poisson generator w/mc_lib #51
- a non-regular lattice from a conformation : not included into Ising cluster update code #22, tracked in Follow ups to the Ising cluster update PR #53 --- done in Ising example lattice #59