Reorganize server tasks, copy config to local

- Inital server starts first so it can grab the token for other servers and copy the config to localhost
- More cleanup of agent/server naming scheme

Signed-off-by: Derek Nola <derek.nola@suse.com>

playbook/reboot.yml

@@ -3,6 +3,7 @@
   hosts: k3s_cluster
   become: true
   gather_facts: true
+  serial: 1
   tasks:
     - name: Reboot
       ansible.builtin.reboot:

playbook/site.yml

@@ -15,7 +15,7 @@
     - role: k3s/server
 
 - name: Setup K3S agent
-  hosts: node
+  hosts: agent
   become: true
   roles:
     - role: k3s/agent