Adds reference to andino_mujoco repo. (#284)

Signed-off-by: Franco Cipollone <[email protected]>

README.md

@@ -38,10 +38,11 @@ _Note: For videos go to [Media](#selfie-media) section._
 Other projects built upon Andino! :rocket:
 
 - :rocket: [`andino_ansible_config`](https://github.com/garyservin/andino_ansible_config): (**Thanks @garyservin !**): Ansible configuration to easily setup an Andino robot.
-- :computer: [`andino_gz`](https://github.com/Ekumen-OS/andino_gz): [Gazebo](https://gazebosim.org/home)(non-classic) simulation of the `andino` robot.
-- :lady_beetle: [`andino_webots`](https://github.com/Ekumen-OS/andino_webots): [Webots](https://github.com/cyberbotics/webots) simulation of the Andino robot fully integrated with ROS 2.
-- :joystick: [`andino_o3de`](https://github.com/Ekumen-OS/andino_o3de): [O3DE](https://o3de.org/) simulation of the Andino robot.
-- :green_circle: [`andino_isaac`](https://github.com/Ekumen-OS/andino_isaac): [Isaac Sim](https://docs.omniverse.nvidia.com/isaacsim/latest/index.html) simulation of the Andino robot.
+- :computer: [`andino_gz`](https://github.com/Ekumen-OS/andino_gz): [Gazebo](https://gazebosim.org/home)(non-classic)-based simulation of the `andino` robot.
+- :lady_beetle: [`andino_webots`](https://github.com/Ekumen-OS/andino_webots): [Webots](https://github.com/cyberbotics/webots)-based simulation of the Andino robot fully integrated with ROS 2.
+- :joystick: [`andino_o3de`](https://github.com/Ekumen-OS/andino_o3de): [O3DE](https://o3de.org/)-based simulation of the Andino robot.
+- :green_circle: [`andino_isaac`](https://github.com/Ekumen-OS/andino_isaac): [Isaac Sim](https://docs.omniverse.nvidia.com/isaacsim/latest/index.html)-based simulation of the Andino robot.
+- :m: [`andino_mujoco`](https://github.com/Ekumen-OS/andino_mujoco): [MuJoCo](https://mujoco.org/)-based simulation of the Andino robot.
 - :robot: [`andino_rmf`](https://github.com/Ekumen-OS/andino_rmf): [OpenRMF](https://www.open-rmf.org/) integration of Andino simulation.
 - :test_tube: [`andino_integration_tests`](https://github.com/Ekumen-OS/andino_integration_tests): Extension to the Andino robot showing how to build integration tests.