add scaffolding for convert command adv_cluster v1 to v2

Author: lantoli

cmd/plugin/main.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"os"
 
+	"github.com/mongodb-labs/atlas-cli-plugin-terraform/internal/cli/adv2"
 	"github.com/mongodb-labs/atlas-cli-plugin-terraform/internal/cli/clu2adv"
 	"github.com/spf13/cobra"
 )
@@ -14,10 +15,7 @@ func main() {
 		Short:   "Utilities for Terraform's MongoDB Atlas Provider",
 		Aliases: []string{"tf"},
 	}
-
-	terraformCmd.AddCommand(
-		clu2adv.Builder(),
-	)
+	terraformCmd.AddCommand(clu2adv.Builder(), adv2.Builder())
 
 	completionOption := &cobra.CompletionOptions{
 		DisableDefaultCmd:   true,

internal/cli/adv2/adv2.go

@@ -0,0 +1,20 @@
+package adv2
+
+import (
+	"errors"
+
+	"github.com/spf13/cobra"
+)
+
+func Builder() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:     "advancedClusterV1ToV2",
+		Short:   "Convert advanced_cluster v1 to v2",
+		Long:    "Convert a Terraform configuration from mongodbatlas_advanced_cluster schema v1 to v2",
+		Aliases: []string{"adv2"},
+		RunE: func(_ *cobra.Command, _ []string) error {
+			return errors.New("TODO: not implemented yet, will be implemented in the future")
+		},
+	}
+	return cmd
+}