Moved commands/root module on more appropriate cli/root

Author: cmaglie

cli/cli_test.go

@@ -25,7 +25,7 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/arduino/arduino-cli/commands/root"
+	"github.com/arduino/arduino-cli/cli/root"
 	paths "github.com/arduino/go-paths-helper"
 	"github.com/bouk/monkey"
 	"github.com/stretchr/testify/assert"

commands/root/root.go renamed to cli/root/root.go

@@ -21,7 +21,7 @@ import (
 	"os"
 
 	"github.com/arduino/arduino-cli/cli"
-	"github.com/arduino/arduino-cli/commands/root"
+	"github.com/arduino/arduino-cli/cli/root"
 	"github.com/arduino/arduino-cli/common/formatter"
 )