Add RPCS3

[ghost]

NOTE: Each discrete (stand-alone) request should be in its own issue.

Put "Add ____" as Title
[ ] Done

Provide a link to the proposed addition.
Place link here.
https://rpcs3.net/

Explain why it should be added
A clear and concise description of why it should be added to this list.
It is an awesome Native PS3 emulator that supports many games.

This is from RPCS3 -
"Users can expect to run RPCS3 on the latest performance Macs with support for M1 and Intel Macs with dedicated graphics on macOS 11.6 or later."

Additional context
Add any other context or screenshots about the feature request here.
https://youtu.be/gIcsUr7W00k

Issue Checklist

Put an x in the boxes once you've completed each step. You can also fill these out after creating the issue. If you're unsure about any of them, don't hesitate to ask. We're here to help! This is simply a reminder of what we are going to look for before responding to the issue.

• [ x] I have checked for other similar issues
• [ x] I have explained why this change is important
• [ x] I have added necessary documentation (if appropriate)