Feature request: Standardize licensing notebooks

[mbostock]

Closing the loop here: we shipped support for licensing notebooks today. Feedback welcome.

Notebook Licenses

Hi folks, We’ve just launched built-in support for software and content licenses on your notebooks! We hope this will help notebook authors provide additional clarity when they intend for other Observable community members to fork, remix, import, republish and embed their work. Also, over four hundred D3 notebooks on Observable have now been released under the permissive ISC license. One nice detail to note — that might be of particular interest here — is that licensing is implemented as part…