bobble_controllers_plugins.xml

<library path="lib/libbobble_controllers">

  <class name="bobble_controllers/BobbleBalanceController"
    type="bobble_controllers::BobbleBalanceController"
    base_class_type="controller_interface::ControllerBase">
    <description>
      The BobbleBalanceController yatta yatta TODO docs once I know this works.
    </description>
  </class>

</library>