r.d.n: drop blues brothers reference from frontpage

all 	ionos17

amd64	o4

arm64	c2

armhf	c1

i386	i7+8

risc	vimer

https://r.d.n/ improvements

	improve layout

	then add column: "(thanks to) workers hosted by/as" (maybe 2 columns?: hostnames & hoster)

	add rb & debian logos

	add thanks to osuosl for o5 too

do TODO.rebuilderd-systemd-units

	incl monthly db backup

upload src:rebuilderd to unstable (and its depends need to go through NEW too)

fix riscv64 nodes:

	- sudo chmod 644 /etc/logrotate.d/jenkins.debian.net-update_jdn

	</small>

	<br/>

	<br/>

	Do you have hardware idling?

	<br/>

	<br/>

	Because, for sure, Debian rebuilding Debian is superb and it's something we've been working on for years!

	Do you have hardware idling? Because, for sure, Debian rebuilding Debian is superb and it's something we've been working on for years!

	So this is great, and yet we want more: we want independent rebuilders, and we want them for all Debian architectures!

	<br/>

	<br/>

	This needs admins, this needs <i>*YOU*</i>!

	<br/>

	<br/>

	... so, long story short:

	<br/>

	We want you, you, you!

	<br/>

	We need you, you, you!

	<br/>

	<br/>

	(that's a Blues Brothers reference btw)

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        <footer>

            pew pew, <a href="https://github.com/kpcyrd/rebuilderd">rebuilderd</a> using <a href="https://tracker.debian.org/pkg/devscripts">debrebuild</a> (with <a href="https://tracker.debian.org/pkg/sbuild">sbuild+unshare</a> as backend) to reproduce what Debian distributes via <code><a href="https://deb.debian.org/debian/dists/">deb.debian.org</a></code>. ♥️