Merge pull request #38 from mahansky/patch-1

php 8.4 Manager.php fix

Author: aarondfrancis

src/Manager.php

@@ -33,7 +33,7 @@ class Manager
 
     protected string $theme;
 
-    protected ?Theme $cachedTheme;
+    protected ?Theme $cachedTheme = null;
 
     protected string $renderer = Renderer::class;