enforce PSR-12 formatting #8

Author: gregor-j

.phpcs.xml

@@ -1,12 +1,12 @@
 <?xml version="1.0"?>
-<ruleset name="PSR2" namespace="PHP-SAP\Standards">
-    <description>PHP/SAP PSR2 programming standard</description>
+<ruleset name="PSR12" namespace="PHP-SAP\Standards">
+    <description>PHP/SAP PSR12 programming standard</description>
     <!-- display progress -->
     <arg value="p"/>
     <arg value="n"/>
     <!-- directories and files to check -->
     <file>./src</file>
-    <!-- Use PSR2 as a standard -->
-    <rule ref="PSR2">
+    <!-- Use PSR12 as a standard -->
+    <rule ref="PSR12">
     </rule>
 </ruleset>