Update docs

Author: cbbond

docs/getting-started/helm-installation.md

@@ -25,6 +25,10 @@ routeController:
   clusterCIDR: "10.0.0.0/8"
   configureCloudRoutes: true
 
+# Optional: Assign node internal IPs from VPCs without enabling route controller
+# Not required if specified in routeController
+vpcNames: "" # Comma separated VPC names
+
 # Optional: Configure shared IP load balancing instead of NodeBalancers (requires Cilium CNI and BGP Control Plane enabled)
 sharedIPLoadBalancing:
   loadBalancerType: cilium-bgp