tweaked readme

terraform.tfvars.example

@@ -19,7 +19,7 @@ network_ipv4_subnets = {
   subnet1       = "10.2.0.0/16"
   subnet2       = "10.3.0.0/16"
 
-agent_nodepools = {
+  agent_nodepools = {
     big = {
       server_type = "cpx21",
       count       = 1,
@@ -30,6 +30,7 @@ agent_nodepools = {
       count       = 2,
       subnet      = "subnet2",
     }
+  }
 }
 
 # If you want to use a specific Hetzner CCM and CSI version, set them below, otherwise leave as is for the latest versions