GitHub repo not updated to the new look

[pwnedshell]

Describe the problem

The GitHub repository is not aligned with the new (and lovely ❤️) look.

Describe the proposed solution

Modify:

• About
• README image
• README roadmap

Importance

nice to have

[benmccann]

thanks for pointing these out. roadmap has been updated. will now close this as a duplicate of #13831