add missing strict-type declarations

Author: michalsn

src/Exceptions/NestedModelException.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Michalsn\CodeIgniterNestedModel\Exceptions;
 
 use RuntimeException;

src/Many.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Michalsn\CodeIgniterNestedModel;
 
 readonly class Many

src/Through.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Michalsn\CodeIgniterNestedModel;
 
 use CodeIgniter\Model;

tests/_support/Entities/Address.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Tests\Support\Entities;
 
 use CodeIgniter\Entity\Entity;

tests/_support/Entities/Comment.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Tests\Support\Entities;
 
 use CodeIgniter\Entity\Entity;

tests/_support/Entities/Company.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Tests\Support\Entities;
 
 use CodeIgniter\Entity\Entity;

tests/_support/Entities/Country.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Tests\Support\Entities;
 
 use CodeIgniter\Entity\Entity;

tests/_support/Entities/Course.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Tests\Support\Entities;
 
 use CodeIgniter\Entity\Entity;

tests/_support/Entities/Post.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Tests\Support\Entities;
 
 use CodeIgniter\Entity\Entity;

tests/_support/Entities/Profile.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Tests\Support\Entities;
 
 use CodeIgniter\Entity\Entity;