Added indication when user is creating new field

Closes #3397715

core/modules/field_ui/src/Form/FieldConfigEditForm.php

@@ -128,7 +128,7 @@ public function form(array $form, FormStateInterface $form_state) {
     $field_storage = $this->entity->getFieldStorageDefinition();
     $bundles = $this->entityTypeBundleInfo->getBundleInfo($this->entity->getTargetEntityTypeId());
 
-    $form_title = $this->t('%field settings for %bundle', [
+    $form_title = $this->t('Step 2 of 2 - %field settings for %bundle', [
       '%field' => $this->entity->getLabel(),
       '%bundle' => $bundles[$this->entity->getTargetBundle()]['label'],
     ]);