chore: add codeigniter/phpstan-codeigniter

composer require --dev codeigniter/phpstan-codeigniter

Author: kenjis

composer.json

@@ -29,7 +29,8 @@
     "psr/container": "1.1.2",
     "codeigniter4/devkit": "^1.0",
     "tatter/patches": "^2.1",
-    "kint-php/kint": "^5.1"
+    "kint-php/kint": "^5.1",
+    "codeigniter/phpstan-codeigniter": "^1.4"
   },
   "minimum-stability": "dev",
   "prefer-stable": true,