Add MuJoCo by FZI and AlgoryX (#250) (#264)

(cherry picked from commit 55de5ea)

Co-authored-by: Christoph Fröhlich <christophfroehlich@users.noreply.github.com>

Author: mergify[bot]

doc/simulators/simulators.rst

@@ -21,3 +21,5 @@ To add your *ros2_control* integration, submit a PR to this page on Github!
 * `Isaac Sim <https://moveit.picknik.ai/main/doc/how_to_guides/isaac_panda/isaac_panda_tutorial.html>`__
 * `Webots <https://github.com/cyberbotics/webots_ros2/tree/master/webots_ros2_control>`__
 * Custom interfaces to simulators with a `Topic Based System <https://github.com/PickNikRobotics/topic_based_ros2_control>`__
+* `MuJoCo <https://github.com/fzi-forschungszentrum-informatik/cartesian_controllers/tree/ros2/cartesian_controller_simulation>`__
+* `Algoryx AGX Dynamic <https://github.com/Algoryx/agx-ros2-collection>`__