Add choice and crossing algorithm

[natmark]

https://qiita.com/be-kan/items/ab1c3c0cfa1efa91f07f

Choice

• roulette
• ranking
• tournament
• elite

Crossing

• one point crossover
• two point crossover
• multi point crossover
• uniform crossover

Mutation

• substitution
• perturbation
• exchange
• inversion
• stirring
• translocation
• overlap
• insert
• deletion