Add micro_ros_msgs repo

Author: jamoralp

_docs/overview/docker_ci_status/index.md

@@ -45,6 +45,7 @@ Major repositories in order of the layers are:
     * Agent (bridge to DDS) C++11 library: [Micro-XRCE-DDS-Agent](https://github.com/eProsima/Micro-XRCE-DDS-Agent)
   * RMW adapter for Micro-XRCE-DDS Client library: [rmw-microxrcedds](https://github.com/micro-ROS/rmw-microxrcedds)
   * Type support for Micro-XRCE-DDS Client library: [rosidl_typesupport_microxrcedds](https://github.com/micro-ROS/rosidl_typesupport_microxrcedds)
+  * Specific ROS 2 messages used within micro-ROS architecture: [micro_ros_msgs](https://github.com/micro-ROS/micro_ros_msgs)
   * Agent (bridge) to ROS 2: [micro-ROS-Agent](https://github.com/micro-ROS/micro-ROS-Agent)
 * RTOS:
   * Our [NuttX fork](https://github.com/micro-ROS/NuttX), but most additions were contributed back. Current status is discontinued.
@@ -62,6 +63,7 @@ Most repositories can be found in GitHub's micro-ROS organization at [github.com
 | rmw-microxrcedds                | [![](https://img.shields.io/badge/read-the%20docs-blue)](https://github.com/micro-ROS/rmw-microxrcedds/blob/foxy/README.md) | [![](https://img.shields.io/badge/ROS-dashing-brightgreen)](https://github.com/micro-ROS/rmw-microxrcedds/tree/dashing) [![](https://img.shields.io/badge/ROS-foxy-brightgreen)](https://github.com/micro-ROS/rmw-microxrcedds/tree/foxy) | [![Build status](https://img.shields.io/github/workflow/status/micro-ROS/rmw-microxrcedds/CI%20RMW_MicroXRCEDDS)](https://github.com/micro-ROS/rmw-microxrcedds/actions?query=workflow%3A%22CI+RMW_MicroXRCEDDS%22) | [![](https://img.shields.io/github/issues/micro-ROS/rmw-microxrcedds)](https://github.com/micro-ROS/rmw-microxrcedds/issues) |
 | rosidl_typesupport_microxrcedds |  [![](https://img.shields.io/badge/read-the%20docs-blue)](https://github.com/micro-ROS/rosidl_typesupport_microxrcedds/blob/master/README.md) |  [![](https://img.shields.io/badge/ROS-dashing-brightgreen)](https://github.com/micro-ROS/rosidl_typesupport_microxrcedds/tree/dashing) [![](https://img.shields.io/badge/ROS-foxy-brightgreen)](https://github.com/micro-ROS/rosidl_typesupport_microxrcedds/tree/foxy) | [![Build status](https://img.shields.io/github/workflow/status/micro-ROS/rosidl_typesupport_microxrcedds/CI%20TypeSupport_MicroXRCEDDS)](https://github.com/micro-ROS/rosidl_typesupport_microxrcedds/actions?query=workflow%3A%22CI+TypeSupport_MicroXRCEDDS%22) | [![](https://img.shields.io/github/issues/micro-ROS/rosidl_typesupport_microxrcedds)](https://github.com/micro-ROS/rosidl_typesupport_microxrcedds/issues) |
 | micro-ROS-Agent                 |  [![](https://img.shields.io/badge/read-the%20docs-blue)](https://github.com/micro-ROS/micro-ROS-Agent/blob/master/README.md) | [![](https://img.shields.io/badge/ROS-dashing-brightgreen)](https://github.com/micro-ROS/micro-ROS-Agent/tree/dashing)  [![](https://img.shields.io/badge/ROS-foxy-brightgreen)](https://github.com/micro-ROS/micro-ROS-Agent/tree/foxy) |  [![](https://img.shields.io/github/workflow/status/micro-ROS/micro-ROS-Agent/CI%20micro-ROS%20Agent)](https://github.com/micro-ROS/micro-ROS-Agent/actions?query=workflow%3A%22CI+micro-ROS+Agent%22) | [![](https://img.shields.io/github/issues/micro-ROS/micro-ROS-Agent)](https://github.com/micro-ROS/micro-ROS-Agent/issues) |
+| micro_ros_msgs                  |  [![](https://img.shields.io/badge/read-the%20docs-blue)](https://github.com/micro-ROS/micro_ros_msgs/blob/main/README.md) | [![](https://img.shields.io/badge/ROS-foxy-brightgreen)](https://github.com/micro-ROS/micro_ros_msgs/tree/foxy) |  | [![](https://img.shields.io/github/issues/micro-ROS/micro_ros_msgs)](https://github.com/micro-ROS/micro_ros_msgs/issues) |
 | system_modes                    | [![](https://img.shields.io/badge/read-the%20docs-blue)](https://github.com/micro-ROS/system_modes/blob/master/README.md) | [![](https://img.shields.io/badge/ROS-dashing-brightgreen)](https://github.com/micro-ROS/system_modes/releases) [![](https://img.shields.io/badge/ROS-eloquent-brightgreen)](https://github.com/micro-ROS/system_modes/releases) | [![Build Status](https://img.shields.io/github/workflow/status/micro-ROS/system_modes/Test%20system%20modes)](https://github.com/micro-ROS/system_modes/actions?query=workflow%3A%22Test+system+modes%22) | [![](https://img.shields.io/github/issues/micro-ROS/system_modes.svg)](https://github.com/micro-ROS/system_modes/issues) |
 | rclc                            | [![](https://img.shields.io/badge/read-the%20docs-blue)](https://github.com/micro-ROS/rclc/blob/master/README.md) | [![](https://img.shields.io/badge/ROS-dashing-brightgreen)](https://github.com/micro-ROS/rclc/tree/dashing) | [![Build Status](https://img.shields.io/github/workflow/status/micro-ROS/rclc/CI%20RCLC)](https://github.com/micro-ROS/rclc/actions?query=workflow%3A%22CI+RCLC%22) | [![](https://img.shields.io/github/issues/micro-ROS/rclc.svg)](https://github.com/micro-ROS/rclc/issues) |