feat: add teleport like configs

defaults/main.yaml

@@ -2,7 +2,8 @@
 
 # global settings
 haproxy_global:
-  log: "/dev/log local2"
+  log:
+    - "/dev/log local2"
   chroot: "/var/lib/haproxy"
   pidfile: "/var/run/haproxy.pid"
   maxconn: 35000
@@ -15,11 +16,13 @@ haproxy_global:
 haproxy_defaults:
   log: "global"
   mode: "tcp"
-  option: "tcplog"
+  options:
+    - "tcplog"
   timeout_check: "5s"
   timeout_connect: "10s"
   timeout_client: "600s"
   timeout_server: "600s"
+  timeout_tunnel: ""  # optional
 
 # stats listener (optional)
 haproxy_stats: