Developer want to update wiki

[Ismoh]

Is your feature request related to a problem? Please describe.
Wiki, isn't up to date.
#53 (reply in thread)

Describe the solution you'd like
Update wiki, after #48 is done.

[Ismoh]

Update CONTRIBUTING.md as well.
Add links to the discussion for contributer.

[Ismoh]

Add https://github.com/mermaid-js/mermaid for roadmap!

[Ismoh]

Add to README.md like:
You are a gamer, who want to play NoitaMP, then click here.
You are a modder and want to contribute or improve NoitaMP, then click here.
You are a GitHub Enthusiast and want to see some metrics, then click here!
You want to support me and my projects? That's so awesome, I really appreciate your suppport. Click here to grab me a coffee!

Otherwise just scroll down!