Implement .env configuration

voipms-cli.php

@@ -5,9 +5,13 @@ declare(strict_types=1);
 
 require_once __DIR__ . '/src/VoipMsResponse.php';
 require_once __DIR__ . '/src/VoipMsClient.php';
+require_once __DIR__ . '/src/EnvLoader.php';
 
+use VoipMs\EnvLoader;
 use VoipMs\VoipMsClient;
 
+EnvLoader::load(__DIR__ . '/.env');
+
 /**
  * @return array<string, array{category: string, description: string, params?: list<string>, examples?: list<string>}>
  */
@@ -624,7 +628,7 @@ function parseCdrArguments(array $args): array
         $params['date_to'] = $positionals[1];
     }
 
-    $envTimezone = getenv('VOIPMS_TIMEZONE');
+    $envTimezone = getenv('VOIPMS_TIMEZONE') ?: getenv('DEFAULT_TIMEZONE');
     if (!isset($params['timezone']) && is_string($envTimezone) && $envTimezone !== '') {
         $params['timezone'] = $envTimezone;
     }