Update ruleset

Author: olsi-qose

ruleset.xml

@@ -36,19 +36,28 @@
 
 <!--suppress XmlUnboundNsPrefix -->
 <ruleset name="Magento">
+    <!-- Directories to scan -->
     <file>./Block</file>
     <file>./Helper</file>
     <file>./Model</file>
     <file>./Plugin</file>
     <file>./Utils</file>
     <file>./view</file>
+
+    <!-- Exclude non-PHP assets -->
     <exclude-pattern>*.js</exclude-pattern>
     <exclude-pattern>*.css</exclude-pattern>
+
+    <!-- Configure installed_paths for PHPCS -->
     <config name="installed_paths"
-            value="./vendor/magento-ecg/coding-standard/EcgM2,./vendor/magento/magento-coding-standard/Magento2"/>
+            value="./vendor/magento-ecg/coding-standard/EcgM2,./vendor/magento/magento-coding-standard/Magento2,./vendor/magento/php-compatibility-fork"/>
     <description>The Magento coding standard.</description>
+
+    <!-- Include ECG Magento 2 rules -->
     <rule ref="./vendor/magento-ecg/coding-standard/EcgM2">
     </rule>
+
+    <!-- Include Magento core coding standard -->
     <rule ref="./vendor/magento/magento-coding-standard/Magento2">
         <exclude name="Magento2.Functions.StaticFunction"/>
         <exclude name="Generic.Metrics.CyclomaticComplexity"/>