[Tech] (?) Let's update the website

[Stephane Bortzmeyer]

On Thu, Apr 01, 2021 at 10:59:13AM +0200,
 Björn Wärmedal <bjorn.warmedal@gmail.com> wrote 
 a message of 3 lines which said:

> There's also this, which I reckon is quite serious:

Indeed. Imagine people hearing about Gemini, looking at the Web site
and finding this.

> "The certificate for gemini.circumlunar.space expired on 3/29/2021."

It has been reported in private to Solderpunk, by me and certainly
other persons. I fear that we must acknowledge he is not available and
do something by ourselves.