Deploy basic config on nymeria and dragon

Mostly interesting for root_ssh.
Signed-off-by: Florian Pritz <bluewind@xinu.at>

hosts

@@ -31,3 +31,7 @@ soyuz.archlinux.org
 [buildservers]
 soyuz.archlinux.org
 sgp.pkgbuild.com
+
+[unmanaged]
+nymeria.archlinux.org
+dragon.archlinux.org

playbooks/all-hosts-basic.yml

@@ -12,4 +12,4 @@
     # borg-client needs to be adapted to use the hostname instead of hardcoded values
     # here. this also probably doesn't work nicely for old hosts yet
     - { role: borg-client, tags: ["borg"], when: "'borg-clients' in group_names" }
-    - { role: zabbix-agent, tags: ["zabbix", "zabbix-agent"] }
+    - { role: zabbix-agent, tags: ["zabbix", "zabbix-agent"], when: "'unmanaged' not in group_names" }