feat: project scaffold — go module, cobra root, dir layout

internal/cmd/root.go

@@ -0,0 +1,14 @@
+package cmd
+
+import (
+	"github.com/spf13/cobra"
+)
+
+var rootCmd = &cobra.Command{
+	Use:   "ry",
+	Short: "Multi-cloud CLI, like gh for cloud providers",
+}
+
+func Execute() error {
+	return rootCmd.Execute()
+}