add category page, fix single page view

kit/functions.php

@@ -126,6 +126,18 @@ function theme_customize_register( $wp_customize ) {
       'label'   => esc_html__( 'Theme color', 'theme' ),
     ) ) );
 
+    $wp_customize->add_setting('contact_mail', array(
+        'default'        => '',
+        'type'           => 'option',
+        'transport' => 'refresh',
+    ));
+
+    $wp_customize->add_control('contact_mail', array(
+        'label'      => __('Contact mail', 'contact_mail'),
+        'section'    => 'core',
+        'settings'   => 'contact_mail',
+    ));
+
 }
 
 add_action( 'customize_register', 'theme_customize_register' );