feat(navigation): hard-switch to Zibll navigation and Font Awesome 5

inc/helpers/user-center-renderers/credits-signin.php

@@ -33,7 +33,7 @@ if (class_exists('\AKSRT\Credits\Signin')) {
 ?>
 <div class="uc-signin-calendar" style="margin-bottom:16px;">
 	<h4 class="uc-signin-calendar__title">
-		<i class="fas fa-calendar-alt" aria-hidden="true"></i>
+		<i class="fa fas fa-calendar" aria-hidden="true"></i>
 		<?php esc_html_e('最近 30 天签到', 'aksrt'); ?>
 	</h4>
 	<div data-aksrt-signin-calendar='<?php echo esc_attr(wp_json_encode(array_values($signin_dates))); ?>'></div>