Update standalone build tools section (micro-ROS#380)

* Update standalone build tools section

* Upd

* Updates

README.md

@@ -2,7 +2,7 @@
 This ROS 2 package is the entry point for building micro-ROS apps for different embedded platforms.
 
 - [Supported platforms](#supported-platforms)
-  - [Secondary build system tools](#secondary-build-system-tools)
+  - [Standalone build system tools](#standalone-build-system-tools)
 - [Dependencies](#dependencies)
 - [Building](#building)
   - [Creating micro-ROS firmware](#creating-micro-ros-firmware)
@@ -43,26 +43,31 @@ This package is the **official build system for micro-ROS**. It provides tools a
 
 *<sup>3</sup> a valid CMake toolchain with custom crosscompilation definition is required*
 
-## Secondary build system tools
+## Standalone build system tools
 
 micro-ROS also offers some other ways to crosscompile it for different platforms. These other options are secondary tools and may not have full support for all features. Currently micro-ROS is also available as:
 
+- a standalone **[micro-ROS component for Renesas e<sup>2</sup> studio and RA6M5](https://github.com/micro-ROS/micro_ros_renesas2estudio_component)**: this package enables the integration of micro-ROS in Renesas e<sup>2</sup> studio and RA6M5 MCU family.
 - a standalone **[micro-ROS component for ESP-IDF](https://github.com/micro-ROS/micro_ros_espidf_component)**: this package enables the integration of micro-ROS in any Espressif ESP32 IDF project.
 - a standalone **[micro-ROS module for Zephyr RTOS](https://github.com/micro-ROS/micro_ros_zephyr_module)**: this package enables the integration of micro-ROS in any Zephyr RTOS workspace.
 - a standalone **[micro-ROS module for Mbed RTOS](https://github.com/micro-ROS/micro_ros_mbed)**: this package enables the integration of micro-ROS in any Mbed RTOS workspace.
 - a standalone **[micro-ROS module for NuttX RTOS](https://github.com/micro-ROS/micro_ros_nuttx_app)**: this package enables the integration of micro-ROS in any NuttX RTOS workspace.
+- a standalone **[micro-ROS module for Microsoft Azure RTOS](https://github.com/micro-ROS/micro_ros_azure_rtos_app)**: this package enables the integration of micro-ROS in a Microsoft Azure RTOS workspace.
+- a set of **[micro-ROS utils for STM32CubeMX and STM32CubeIDE](https://github.com/micro-ROS/micro_ros_stm32cubemx_utils)**: this package enables the integration of micro-ROS in STM32CubeMX and STM32CubeIDE.
 - a precompiled set of **[Arduino IDE libraries](https://github.com/micro-ROS/micro_ros_arduino)**: this package enables the integration of micro-ROS in the Arduino IDE for some hardware platforms.
+- a precompiled set of **[Raspberry Pi Pico SDK libraries](https://github.com/micro-ROS/micro_ros_raspberrypi_pico_sdk)**: this package enables the integration of micro-ROS in the Raspberry Pi Pico SDK.
 
 # Dependencies
 
 This package targets the **ROS 2** installation. ROS 2 supported distributions are:
 
-| ROS 2 Distro | State     | Branch    |
-| ------------ | --------- | --------- |
-| Crystal      | Supported | `crystal` |
-| Dashing      | Supported | `dashing` |
-| Foxy         | Supported | `foxy`    |
-| Rolling      | Supported | `main`    |
+| ROS 2 Distro | State     | Branch     |
+| ------------ | --------- | ---------- |
+| Crystal      | EOL       | `crystal`  |
+| Dashing      | EOL       | `dashing`  |
+| Foxy         | Supported | `foxy`     |
+| Galactic     | Supported | `galactic` |
+| Rolling      | Supported | `main`     |
 
 Some other prerequisites needed for building a firmware using this package are:
 
@@ -126,17 +131,17 @@ Please note that each RTOS has its configuration approach that you might use for
 
 In summary, the supported configurations for transports are:
 
-|                               |     FreeRTOS      |       Zephyr       |        Mbed        |
-| ----------------------------- | :---------------: | :----------------: | :----------------: |
-| Olimex STM32-E407             |   UART, Network   |     USB, UART      |         -          |
-| ST B-L475E-IOT01A             |         -         | USB, UART, Network |        UART        |
-| Crazyflie 2.1                 | Custom Radio Link |         -          |         -          |
-| Espressif ESP32               |  UART, WiFI UDP   |         -          |         -          |
-| ST Nucleo F446RE <sup>1</sup> |       UART        |        UART        |         -          |
-| ST Nucleo F446ZE <sup>1</sup> |       UART        |         -          |         -          |
-| ST Nucleo H743ZI <sup>1</sup> |         -         |        UART        |         -          |
-| ST Nucleo F746ZG <sup>1</sup> |       UART        |        UART        |         -          |
-| ST Nucleo F767ZI <sup>1</sup> |       UART        |         -          |         -          |
+|                               |     FreeRTOS      |       Zephyr       | Mbed  |
+| ----------------------------- | :---------------: | :----------------: | :---: |
+| Olimex STM32-E407             |   UART, Network   |     USB, UART      |   -   |
+| ST B-L475E-IOT01A             |         -         | USB, UART, Network | UART  |
+| Crazyflie 2.1                 | Custom Radio Link |         -          |   -   |
+| Espressif ESP32               |  UART, WiFI UDP   |         -          |   -   |
+| ST Nucleo F446RE <sup>1</sup> |       UART        |        UART        |   -   |
+| ST Nucleo F446ZE <sup>1</sup> |       UART        |         -          |   -   |
+| ST Nucleo H743ZI <sup>1</sup> |         -         |        UART        |   -   |
+| ST Nucleo F746ZG <sup>1</sup> |       UART        |        UART        |   -   |
+| ST Nucleo F767ZI <sup>1</sup> |       UART        |         -          |   -   |
 
 *<sup>1</sup> Community supported, may have lack of official support*