Merge pull request 'Made fromWhere nullable' (#15) from develop into master

Reviewed-on: https://git.php.fail/neintonine/gamesshop/pulls/15

src/php/Entities/Games/Key.php

@@ -26,7 +26,7 @@ class Key implements JsonSerializable
     private Store $store;
     #[ORM\Column(nullable: true)]
     private string|null $storeLink;
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     private string|null $fromWhere;
     #[ORM\Column(type: 'integer', enumType: KeyState::class)]
     private KeyState $state;