Create load balancer for Rancher

[avnes]

• [x] Reserve IP 10.0.1.49 for mac address 52:54:00:11:13:09 for rancher-lb on router.
• [x] Create a a load balancer for Rancher to foward 80/443 TCP traffic til the 3 worker nodes. For instance using HA-proxy

https://www.haproxy.com/blog/the-four-essential-sections-of-an-haproxy-configuration/

[avnes]

Created here https://github.com/avnes/rancher-vm/blob/main/rancher-vm-override.sh#L44