`bs.random`: Monte Carlo algorithms for random generation in distribution

[VForiel]

Implement the monte-carlo algorithm in order to generate random number according to a given distribution.

Note

Existing related datapack: https://github.com/Aeldrion/Minecraft-Random

[SBtree-bit]

I'm working on this issue

• [x] Uniform distribution
• [x] Binomial distribution
• [x] Geometric distribution
• [x] Poisson distribution
• [x] Random choice (with selectable distribution)