Added the related symfony event to the EventPriorities class

Author: lyrixx

src/EventListener/EventPriorities.php

@@ -20,14 +20,17 @@
  */
 final class EventPriorities
 {
+    // kernel.request
     const PRE_READ = 5;
     const POST_READ = 3;
     const PRE_DESERIALIZE = 3;
     const POST_DESERIALIZE = 1;
+    // kernel.view
     const PRE_VALIDATE = 65;
     const POST_VALIDATE = 63;
     const PRE_WRITE = 33;
     const POST_WRITE = 31;
     const PRE_RESPOND = 9;
+    // kernel.response
     const POST_RESPOND = 0;
 }