Restructure where models are stored (#1476)

The idea is to clean the repository a little bit by moving models into their respective folders.

app/Http/Controllers/Settings/PersonalizationController.php

@@ -2,9 +2,9 @@
 
 namespace App\Http\Controllers\Settings;
 
-use App\ContactFieldType;
 use Illuminate\Http\Request;
 use App\Http\Controllers\Controller;
+use App\Models\Contact\ContactFieldType;
 use Illuminate\Support\Facades\Validator;
 use Illuminate\Database\Eloquent\ModelNotFoundException;