New license request: Sync up with https://github.com/LeChasseur/ifrOSS

**License Name**
The full name of the license, preferably as provided by the original authors.

Multiple

**License Homepage URL**
The primary and/or most reliable URL that contains the text of this license and/or information about it. This is ideally a web page dedicated to the license, but it may also be a source file that contains the license text.

@LeChasseur tracks many interesting license at
- https://github.com/LeChasseur/ifrOSS

We should ensure that we can detect them alright!

**Reference URLs**
Optionally provide URLs that contain references to the license.

**License Notes**
Optionally describe any aspects of the license that deserve special attention.