Harmonize ruleset names with Java

pmd-apex/src/main/resources/rulesets/apex/quickstart.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ruleset xmlns="http://pmd.sourceforge.net/ruleset/2.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" name="Default ruleset used by the CodeClimate Engine for Salesforce.com Apex" xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 https://pmd.sourceforge.io/ruleset_2_0_0.xsd">
+   <description>Default ruleset with recommended rules for Salesforce.com Apex</description>
+
+   <rule ref="category/apex/design.xml" />
+   <rule ref="category/apex/performance.xml" />
+   <rule ref="category/apex/codestyle.xml" />
+   <rule ref="category/apex/bestpractices.xml" />
+   <rule ref="category/apex/errorprone.xml" />
+   <rule ref="category/apex/security.xml" />
+   <rule ref="category/apex/documentation.xml" />
+</ruleset>