[users] jemini: dual http/gemini server with spring-boot integration (and client)

[Stephane Bortzmeyer]

On Wed, Apr 14, 2021 at 12:42:17PM +0200,
 Peter Mucha <ptmucha at gmail.com> wrote 
 a message of 47 lines which said:

> gemini://wrm.hopto.org/

There is a bug with unexisting files: the server does not return the
two-digits return code:

"NOT_FOUND Not Found"

(No 51 before)