Documentation: Section on SCTUnit now also available in Eclipse help

plugins/org.yakindu.sct.doc.user/plugin.xml

@@ -15,6 +15,7 @@
         <toc file="help/user-guide/statechart_language-toc.xml" primary="false"/>
         <toc file="help/user-guide/generating_code-toc.xml" primary="false"/>
         <toc file="help/user-guide/generating_code_headless-toc.xml" primary="false"/>
+        <toc file="help/user-guide/sctunit-toc.xml" primary="false"/>
         <toc file="help/installation/installation-toc.xml" primary="false"/>
     </extension>
 

plugins/org.yakindu.sct.doc.user/toc.xml

@@ -19,6 +19,7 @@
         <link toc="help/user-guide/c-domain-toc.xml"/>
         <link toc="help/user-guide/generating_code-toc.xml"/>
         <link toc="help/user-guide/generating_code_headless-toc.xml"/>
+        <link toc="help/user-guide/sctunit-toc.xml"/>
     </topic>
 
     <link toc="help/installation/installation-toc.xml"/>