feat: implement BankAccount management with CRUD operations and routes for tenant selection

app/Domains/BankAccount/Models/BankAccount.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Domains\BankAccount\Models;
+
+use App\Domains\Tenant\Models\Tenant;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class BankAccount extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'tenant_code',
+        'titular',
+        'entidad',
+        'alias',
+        'cvu',
+    ];
+
+    /**
+     * @return BelongsTo<Tenant, $this>
+     */
+    public function tenant(): BelongsTo
+    {
+        return $this->belongsTo(Tenant::class, 'tenant_code', 'codigo');
+    }
+}