Check php configs for coding style and static analysis

phpcs.xml.dist

@@ -10,6 +10,7 @@
     <arg value="nps"/>
 
     <file>lib</file>
+    <file>config</file>
     <file>tests</file>
 
     <rule ref="Doctrine"/>

phpstan.neon.dist

@@ -8,6 +8,7 @@ parameters:
     paths:
       - lib
       - tests
+      - config
     ignoreErrors:
       - "#Short ternary operator is not allowed#"
       - # Refactor class and remove this error