It is suggested to add star rating algorithm

[planet-23]

I hope to add various modes of difficulty algorithms to help people who need or are interested to understand the specific algorithms.

[Walavouchey]

duplicate of #2701.

if you or anyone else feels like they can read lazer's source code and explain the algorithms involved in a clear way along with diagrams (meta/osu-matplotlib-theme can help you with that), do tell us.

[planet-23]

Thanks for your reply. I'm not C# developer,but i try my best to read it.(Although I don't think I can do it)