Added comment about legacy vpcs

prod/aws/legacy-mdr-prod/account.hcl

@@ -37,7 +37,8 @@ locals {
     "arn:aws:iam::477548533976:role/portal-instance-role",
   ]
 
-  # Legacy information
+  # Legacy information 
+  # legacy_vpc information is required to connect the VPCs to the transit gateway.
   legacy_vpcs = {
     afs = {
       id = "vpc-03f17331ab2b493f5",

test/aws/legacy-mdr-test/account.hcl

@@ -38,6 +38,7 @@ locals {
   ] 
 
   # Legacy information
+  # legacy_vpc information is required to connect the VPCs to the transit gateway.
   legacy_vpcs = {
     main_infrastructure = {
       id = "vpc-0b455a7f22a13412b",