Exclude non-PHP files from the Toolset ruleset.

Author: zaantar

standards/Toolset/ruleset.xml

@@ -7,6 +7,15 @@
     <rule ref="WordPress"/>
     <rule ref="VariableAnalysis" />
 
+    <!--
+        Do not apply these rules on non-PHP files.
+        Note: Twig templates are still not excluded, and they shouldn't be, because we have some plans for them.
+    -->
+    <exclude-pattern>*.js</exclude-pattern>
+    <exclude-pattern>*.mo</exclude-pattern>
+    <exclude-pattern>*.po</exclude-pattern>
+    <exclude-pattern>*.css</exclude-pattern>
+    <exclude-pattern>*.scss</exclude-pattern>
 
     <!--
         TODO add a sniff for missing translators: comment in Twig templates.