Addition of Bezier interpolation

[pirrmann]

Fixes #289

Description

This PR adds support for Bezier interpolation between 2 points using multiple control points, using De Casteljau's algorithm.

[Required] please make sure you checked that

• [X] The project builds without problems on your machine

[Optional]

• [X] Added unit tests regarding the added features
• [X] Added documentation regarding the added features

[codecov-commenter]

Codecov Report

Merging #305 (5ccc8ba) into developer (6014323) will increase coverage by 0.39%. Report is 16 commits behind head on developer. The diff coverage is 90.69%.

@@              Coverage Diff              @@
##           developer     #305      +/-   ##
=============================================
+ Coverage      46.31%   46.71%   +0.39%     
=============================================
  Files            148      148              
  Lines          16049    16206     +157     
  Branches        2176     2191      +15     
=============================================
+ Hits            7433     7570     +137     
- Misses          7968     7984      +16     
- Partials         648      652       +4     

Files	Coverage Δ
tests/FSharp.Stats.Tests/Interpolation.fs	100.00% <100.00%> (ø)
src/FSharp.Stats/Interpolation.fs	22.58% <50.00%> (+0.32%)	:arrow_up:

... and 4 files with indirect coverage changes

[bvenn]

Great addition, even with docu and tests :+1::+1: