docs(brand): lofi-node GitHub social banner

Rendered from the /node landing's tokens and furniture: the Grenze
Gotisch mark, the playground scene held still, and the JSR install
command. A copy lives at the same path in the lofi-node repo.

commit

6aa14b3711625f09d642d5f5a9f2feb4c5c09b29

parent

65f6083fc7c6509c0174dfc96157fc34a70c4a86

author

Dami <dami.etoile@gmail.com>