Rename files in email editor package by WP Coding Standard

[MAILPOET-6240]

packages/php/email-editor/src/Engine/class-email-api-controller.php

@@ -0,0 +1,26 @@
+<?php declare(strict_types = 1);
+
+namespace MailPoet\EmailEditor\Engine;
+
+use MailPoet\EmailEditor\Validator\Builder;
+
+class Email_Api_Controller {
+  /**
+   * @return array - Email specific data such styles.
+   */
+  public function getEmailData(): array {
+    // Here comes code getting Email specific data that will be passed on 'email_data' attribute
+    return [];
+  }
+
+  /**
+   * Update Email specific data we store.
+   */
+  public function saveEmailData(array $data, \WP_Post $emailPost): void {
+    // Here comes code saving of Email specific data that will be passed on 'email_data' attribute
+  }
+
+  public function getEmailDataSchema(): array {
+    return Builder::object()->toArray();
+  }
+}