Hetzner Service, DTOs, provision script

app/Models/Slice.php

@@ -3,8 +3,12 @@
 namespace App\Models;
 
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
 
 class Slice extends Model
 {
-    //
+    public function service(): BelongsTo
+    {
+        return $this->belongsTo(Service::class);
+    }
 }