feat: add backup types

Add tree types for backup service

Author: owenrumney

pkg/tree/aws/aws.go

@@ -7,6 +7,7 @@ import (
 	"github.com/infracost/go-proto/pkg/tree/aws/apigatewayv2"
 	"github.com/infracost/go-proto/pkg/tree/aws/appautoscaling"
 	"github.com/infracost/go-proto/pkg/tree/aws/ec2"
+	"github.com/infracost/go-proto/pkg/tree/backup"
 )
 
 type AWS struct {
@@ -16,6 +17,7 @@ type AWS struct {
 	APIGateway              apigateway.APIGateway          `tree:"apigateway"`
 	APIGatewayV2            apigatewayv2.APIGatewayV2      `tree:"apigatewayv2"`
 	AppAutoScaling          appautoscaling.AppAutoScaling  `tree:"appautoscaling"`
+	Backup                  backup.Backup                  `tree:"backup"`
 }
 
 func (aws *AWS) PostProcess() {

pkg/tree/aws/backup/backup.go

@@ -0,0 +1,5 @@
+package backup
+
+type backup struct {
+	Vaults []Vault `tree:"vaults"`
+}

pkg/tree/aws/backup/vault.go

@@ -0,0 +1,7 @@
+package backup
+
+import "github.com/infracost/go-proto/pkg/tree/resource"
+
+type Vault struct {
+	resource.Resource `tree:"-"`
+}