Fix php Uncaught Error (undeclared static property) (#2)

Author: ErfanBahramali

src/Config/MainConfig.php

@@ -56,14 +56,13 @@ class MainConfig
      * 
      * @var \PDO|string
      */
-    public $logDatabase = '';
+    public static $logDatabase = '';
 
     /**
      * log dafault database table name
      */
     public static string $logDatabaseTableName = 'logs';
 
-
     /**
      * log dafault database column name
      */