feat(cli): init cli (#3186)

* feat(cli): initilize cli

* fix(config): allow multiple files

* refactor(cli): constructor naming

* go mod tidy

* refactor: move code out of v2 package

* chore: logging v0.1

* chore: remove old gitignore

* fix func

Co-authored-by: Livio Amstutz <livio.a@gmail.com>

cmd/admin/setup/setup.go

@@ -0,0 +1,22 @@
+package setup
+
+import (
+	_ "embed"
+
+	"github.com/caos/logging"
+	"github.com/spf13/cobra"
+)
+
+func New() *cobra.Command {
+	return &cobra.Command{
+		Use:   "setup",
+		Short: "setup ZITADEL instance",
+		Long: `sets up data to start ZITADEL.
+Requirements:
+- cockroachdb`,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			logging.New().Info("hello world")
+			return nil
+		},
+	}
+}