site.xml

<?xml version="1.0" encoding="UTF-8"?>
<site>
   <feature url="features/edu.wpi.first.wpilib.plugins.cpp.feature_2018.4.1.jar" id="edu.wpi.first.wpilib.plugins.cpp.feature" version="2018.4.1">
      <category name="edu.wpi.first.wpilib.plugins"/>
   </feature>
   <feature url="features/edu.wpi.first.wpilib.plugins.java.feature_2018.4.1.jar" id="edu.wpi.first.wpilib.plugins.java.feature" version="2018.4.1">
      <category name="edu.wpi.first.wpilib.plugins"/>
   </feature>
   <category-def name="edu.wpi.first.wpilib.plugins" label="WPILib Robot Development">
      <description>
         Core WPILib Robot Development Tools.
      </description>
   </category-def>
</site>