Mark Formatter class as @internal

Ayesh · Ayesh · commit 021e8ff9f977 · 2020-02-03T22:31:47.000+01:00
diff --git a/src/Formatter.php b/src/Formatter.php
@@ -6,7 +6,7 @@
 /**
  * Class Formmater
  * Formatter helper to format time intervals.
- *
+ * @internal
  * @package Ayesh\PHP_Timer
  */
 class Formatter {
