общий код

app/Models/Theme.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Theme extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'name',
+        'variant'
+    ];
+
+    public function banktaks()
+    {
+        return $this->hasMany(BankTask::class);
+    }
+}