[Poll] Added variable num of options

not sure if it is the right way to do it

src/Entity/PollResponse.php

@@ -105,7 +105,9 @@ class PollResponse extends Entity
     // }}} Autocode
 
     /**
-     * The One True Thingy that must be defined and declared.
+     * Entity schema definition
+     *
+     * @return array schema definition
      */
     public static function schemaDef()
     {
@@ -134,6 +136,14 @@ class PollResponse extends Entity
         ];
     }
 
+    /**
+     * Checks if a user already responded to the poll
+     *
+     * @param int $pollId
+     * @param int $gsactorId user
+     *
+     * @return bool
+     */
     public static function exits(int $pollId, int $gsactorId): bool
     {
         $res = DB::dql('select pr from App\Entity\PollResponse pr