Merge pull request #8 from php-api-clients/indentation_type

Enforce indentation_type

Author: WyriHaximus

src/PhpCsFixerConfig.php

@@ -18,6 +18,7 @@ public static function create(array $extraRules = []): Config
                 'array_syntax' => [
                     'syntax' => 'short',
                 ],
+                'indentation_type' => true,
                 'blank_line_before_return' => true,
                 'declare_strict_types' => true,
                 'method_separation' => true,