chore: setup CaptainHook for project tooling

.phive/phars.xml

@@ -4,4 +4,5 @@
   <phar name="phpunit" version="^10.5.20" installed="10.5.20" location="./tools/phpunit" copy="false"/>
   <phar name="phpcs" version="^3.10.1" installed="3.10.1" location="./tools/phpcs" copy="false"/>
   <phar name="phpcbf" version="^3.10.1" installed="3.10.1" location="./tools/phpcbf" copy="false"/>
+  <phar name="captainhook" version="^5.23.0" installed="5.23.0" location="./tools/captainhook" copy="false"/>
 </phive>

captainhook.json

+{
+  "config": {
+    "bootstrap": "tests/captainhook-bootstrap.php"
+  },
+  "pre-commit": {
+    "enabled": true,
+    "actions": [
+      {
+        "action": "\\CaptainHook\\App\\Hook\\PHP\\Action\\Linting"
+      },
+      {
+        "action": "composer test"
+      }
+    ]
+  }
+}
\ No newline at end of file

tests/captainhook-bootstrap.php

+<?php
+
+// This file is supposed to be empty, see https://github.com/captainhookphp/captainhook/issues/248