Add phive configuration skript

.phive/phars.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<phive xmlns="https://phar.io/phive">
+  <phar name="phpunit" version="^9.6.22" installed="9.6.22" location="./tools/phpunit" copy="false"/>
+  <phar name="phan" version="^5.4.3" installed="5.4.3" location="./tools/phan" copy="false"/>
+  <phar name="phpstan" version="^1.12.23" installed="1.12.23" location="./tools/phpstan" copy="false"/>
+</phive>