chore: move the go code into a subfolder

apps/api/cmd/admin/admin.go

@@ -0,0 +1,35 @@
+package admin
+
+import (
+	_ "embed"
+	"errors"
+
+	"github.com/spf13/cobra"
+
+	"github.com/zitadel/zitadel/cmd/initialise"
+	"github.com/zitadel/zitadel/cmd/key"
+	"github.com/zitadel/zitadel/cmd/setup"
+	"github.com/zitadel/zitadel/cmd/start"
+)
+
+func New() *cobra.Command {
+	adminCMD := &cobra.Command{
+		Use:        "admin",
+		Short:      "The ZITADEL admin CLI lets you interact with your instance",
+		Long:       `The ZITADEL admin CLI lets you interact with your instance`,
+		Deprecated: "please use subcommands directly, e.g. `zitadel start`",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			return errors.New("no additional command provided")
+		},
+	}
+
+	adminCMD.AddCommand(
+		initialise.New(),
+		setup.New(),
+		start.New(nil),
+		start.NewStartFromInit(nil),
+		key.New(),
+	)
+
+	return adminCMD
+}