feat: email abstract

src/EmailSender.php

@@ -112,7 +112,7 @@ class EmailSender {
 
     public function send( array $placeholders = [] ) {
         foreach ( $this->get_emails() as $email ) {
-            $content = $this->renderer->render( $email->get_id(), [] );
+            $content = $this->renderer->render( 'html/' . $email->get_id(), [] );
             $content = $this->replace_placeholders( $content, $placeholders );
             if ( $email->get_is_enable() ) {
                 $this->before_wp_mail();
@@ -121,7 +121,6 @@ class EmailSender {
                 );
                 $this->after_wp_mail();
             }
-
         }
     }
 
@@ -141,7 +140,7 @@ class EmailSender {
      * @return mixed|string
      */
     private function get_html_content( string $content ): string {
-        $styles = $this->renderer->render( 'styles', [] );
+        $styles = $this->renderer->render( 'html/styles', [] );
 
         return HTMLDecorator::style_inline( $content, $styles );
     }