s/sfr/nbsp

Add mailmap

Add option to show list on index page

Fixes: https://todo.sr.ht/~sfr/cassini/4

Remove ioutil dependency

as of Go 1.16, ioutil.ReadFile links to os.ReadFile, which I already
had imported.

Document functions according to godoc spec

Store list last modified time

allows updating the list without restarting the server.

Fixes: https://todo.sr.ht/~sfr/cassini/2

Correctly figure out if capsule is last in ring

Handle root path without trailing slash

Add systemd service file

Add OpenRC init script

Link to sr.ht project page

Serve index page on root

Log and exit after serving random page

Remove duplicate default text

Add contributing information

Implement ring

Create 2D array of username and URL

f

Add README

Change project name to cassini