feat: implement Attachment domain for file storage and integrate into Tenant service for logo management

app/Domains/Attachable/Models/Attachment.php

@@ -6,7 +6,6 @@ use App\Domains\Attachable\Enums\AttachmentType;
 use Illuminate\Database\Eloquent\Attributes\Fillable;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
-use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Support\Str;
 
 #[Fillable([
@@ -41,14 +40,6 @@ class Attachment extends Model
         ];
     }
 
-    /**
-     * @return HasMany<AttachableAttachment, $this>
-     */
-    public function attachables(): HasMany
-    {
-        return $this->hasMany(AttachableAttachment::class, 'attachment_id');
-    }
-
     /**
      * Get the pre-signed temporary S3 URL for this attachment.
      */