chore: READMEにConfigの変更を反映する

README.md

@@ -30,6 +30,7 @@ Add a `config.php`, `config.php.dist` or `config.dist.php` to the directory from
 <?php declare(strict_types=1);
 return $config = [
     'memoryLimit' => '1024M',
+    'maxDepth' => 5,
     // Specify a part of a namespace to exclude classes from the analysis.
     // For example, when dependencies of third-party packages are not wanted to be analyzed.
     // Classes starting with the given namespace will not be analyzed and classes they depend on will not.
@@ -42,6 +43,9 @@ return $config = [
     // Classes starting with the given namespace will not be analyzed.
     'excludeFromAnalysis' => [
         'Foo\Bar\\',
+    // Specify the relative path from the directory where the application is executed.
+    'excludeFilePath' => [
+        '',
     ],
 ];
 ```