Add spell checking with typos (#4138)

* Add spell checking with typos
Implement https://github.com/FreshRSS/FreshRSS/pull/4134#issuecomment-1008027558

* GitHub Actions attempt

* Quiet wget

* Makefile

lib/Minz/Session.php

@@ -1,7 +1,7 @@
 <?php
 
 /**
- * La classe Session gère la session utilisateur
+ * The Minz_Session class handles user’s session
  */
 class Minz_Session {
 	private static $volatile = false;