Ajout des notification + page employé (#6)

| Numéro du ticket | Titre du ticket |
|------------------|-----------------|
|                  |                 |

## Description de la PR

## Modification du .env

## Check list

- [ ] Pas de régression
- [ ] TU/TI/TF rédigée
- [ ] TU/TI/TF OK
- [ ] CHANGELOG modifié

Reviewed-on: #6
Co-authored-by: tristan <tristan@yuno.malio.fr>
Co-committed-by: tristan <tristan@yuno.malio.fr>

migrations/Version20260309180000.php

@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20260309180000 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Replace title with actor_id on notifications table.';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE notifications ADD COLUMN actor_id INT DEFAULT NULL REFERENCES users(id) ON DELETE SET NULL');
+        $this->addSql('ALTER TABLE notifications DROP COLUMN title');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql("ALTER TABLE notifications ADD COLUMN title VARCHAR(120) NOT NULL DEFAULT ''");
+        $this->addSql('ALTER TABLE notifications DROP COLUMN actor_id');
+    }
+}