feat: add Notification entity

src/Entity/Notification.php

@@ -0,0 +1,78 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Entity;
+
+use App\Repository\NotificationRepository;
+use Doctrine\ORM\Mapping as ORM;
+
+#[ORM\Entity(repositoryClass: NotificationRepository::class)]
+class Notification
+{
+    #[ORM\Id]
+    #[ORM\GeneratedValue]
+    #[ORM\Column]
+    private ?int $id = null;
+
+    #[ORM\ManyToOne(targetEntity: User::class)]
+    #[ORM\JoinColumn(nullable: false)]
+    private ?User $user = null;
+
+    #[ORM\Column(length: 255)]
+    private ?string $message = null;
+
+    #[ORM\Column]
+    private bool $read = false;
+
+    #[ORM\Column]
+    private \DateTimeImmutable $createdAt;
+
+    public function __construct()
+    {
+        $this->createdAt = new \DateTimeImmutable();
+    }
+
+    public function getId(): ?int
+    {
+        return $this->id;
+    }
+
+    public function getUser(): ?User
+    {
+        return $this->user;
+    }
+
+    public function setUser(?User $user): static
+    {
+        $this->user = $user;
+        return $this;
+    }
+
+    public function getMessage(): ?string
+    {
+        return $this->message;
+    }
+
+    public function setMessage(string $message): static
+    {
+        $this->message = $message;
+        return $this;
+    }
+
+    public function isRead(): bool
+    {
+        return $this->read;
+    }
+
+    public function setRead(bool $read): static
+    {
+        $this->read = $read;
+        return $this;
+    }
+
+    public function getCreatedAt(): \DateTimeImmutable
+    {
+        return $this->createdAt;
+    }
+}