Configure groups option in phpdoc_separation rule

See codeigniter4/CodeIgniter4@4369d20

Author: paulbalandan

src/CodeIgniter4.php

@@ -418,7 +418,19 @@ public function __construct()
                     'str',
                 ],
             ],
-            'phpdoc_separation'                             => true,
+            'phpdoc_separation' => [
+                'groups' => [
+                    ['immutable', 'psalm-immutable'],
+                    ['param', 'phpstan-param', 'psalm-param'],
+                    ['phpstan-pure', 'psalm-pure'],
+                    ['readonly', 'psalm-readonly'],
+                    ['return', 'phpstan-return', 'psalm-return'],
+                    ['template', 'phpstan-template', 'psalm-template'],
+                    ['template-covariant', 'phpstan-template-covariant', 'psalm-template-covariant'],
+                    ['phpstan-type', 'psalm-type'],
+                    ['var', 'phpstan-var', 'psalm-var'],
+                ],
+            ],
             'phpdoc_single_line_var_spacing'                => true,
             'phpdoc_summary'                                => false,
             'phpdoc_tag_casing'                             => ['tags' => ['inheritDoc']],