feat(auth): implement authentication endpoints with registration and login functionality

app/Models/User.php

@@ -12,13 +12,14 @@ use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 use Illuminate\Foundation\Auth\User as Authenticatable;
 use Illuminate\Notifications\Notifiable;
+use Laravel\Sanctum\HasApiTokens;
 
-#[Fillable(['name', 'email', 'mobile', 'password'])]
+#[Fillable(['name', 'username', 'email', 'mobile', 'password'])]
 #[Hidden(['password', 'remember_token'])]
 class User extends Authenticatable implements FilamentUser
 {
     /** @use HasFactory<UserFactory> */
-    use HasFactory, Notifiable;
+    use HasApiTokens, HasFactory, Notifiable;
 
     /**
      * @return BelongsToMany<Role, $this>