Add ros2_control to list of related projects (ros2#2811)

Signed-off-by: Ralph Lange <[email protected]>

Author: ralph-lange

source/Related-Projects.rst

@@ -12,6 +12,7 @@ Large Community Projects
 
 Large community projects involve multiple developers from all over the globe and are typically backed by a dedicated working group (cf. :doc:`The-ROS2-Project/Governance`).
 
+* **ros2_control** `(control.ros.org) <https://control.ros.org/>`_: Flexible framework for real-time control of robots implemented with ROS 2.
 * **Navigation2** `(navigation.ros.org) <https://navigation.ros.org/>`_: Comprehensive and flexible navigation stack for mobile robots using ROS 2.
 * **MoveIt** `(moveit.ros.org) <https://moveit.ros.org/>`_: A rich platform for building manipulation applications featuring advanced kinematics, motion planning, control, collision checking, and much more.
 * **micro-ROS** `(micro.ros.org) <https://micro.ros.org/>`_: A platform for putting ROS 2 onto microcontrollers, starting at less than 100 kB of RAM.