Support generating helper files for real-time facades (#1455)

* Support generating helper files for real-time facades

Add changelog entry for real-time facades support

Mention real-time facades support in readme

Fix code style

Import

* Remove useless assertions

We cannot 100% control the output file has only the real-time facades, anything else can be in the final output

resources/views/helper.php

@@ -69,6 +69,16 @@ namespace <?= $namespace == '__root' ? '' : trim($namespace, '\\') ?> {
 
 <?php endforeach; ?>
 
+<?php foreach($real_time_facades as $name): ?>
+<?php $nested = explode('\\', str_replace('\\'.class_basename($name), '', $name)); ?>
+namespace <?php echo implode('\\', $nested); ?> {
+    /**
+     * @mixin <?= str_replace('Facades', '', $name) ?>
+     */
+    class <?= class_basename($name) ?> extends <?= str_replace('Facades', '', $name) ?> {}
+}
+<?php endforeach; ?>
+
 <?php if ($helpers) : ?>
 namespace {
     <?= $helpers ?>