Upload firmware for Arduino Lab for Micropython - [HC-1573] (#392)

* Added 'Upload firmware for Arduino Lab for Micropython'

* Update content/Hardware Support/Generic/Upload-firmware-for-Arduino-Lab-for-Micropython.md

Co-authored-by: seaxwi <[email protected]>

* Feedback updates

---------

Co-authored-by: seaxwi <[email protected]>

Author: gorillagripcore

content/Hardware Support/Generic/Upload-firmware-for-Arduino-Lab-for-Micropython.md

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+---
+title: Upload firmware for Arduino Lab for Micropython
+---
+
+These are some reasons you may want to upload firmware for Arduino Lab for Micropython:
+
+- Enable MicroPython on boards that initially come with the Arduino bootloader.
+
+- Restore MicroPython firmware after an Arduino sketch has been flashed.
+
+- Update the MicroPython firmware to a newer version.
+
+## Supported Boards
+
+- Arduino GIGA R1 WiFi
+- Arduino Nano 33 BLE Sense
+- Arduino Nano ESP32
+- Arduino Nano RP2040 Connect
+- Arduino Nicla Vision
+- Arduino Portenta C33
+- Arduino Portenta H7
+- Arduino Primo
+
+## Instructions
+
+1. Download the [MicroPython Installer](https://github.com/arduino/lab-micropython-installer/releases/latest) for your operating system:
+
+    - **Windows:** Download the `.exe` file labeled 'Windows' and run the installer.
+
+    - **macOS:** Download the `.zip` file labeled 'macOS', extract the zip file, and move the application to your Applications folder.
+
+    - **Linux:** Download the `.deb` file labeled 'Linux' and install it using your package manager.
+        - `sudo dpkg -i [file name]`.
+
+    - **NuGet Package:** Download the `.nupkg` file if you are using NuGet for package management.
+
+1. Launch the Firmware Installer tool.
+
+1. Let the installer detect your board
+
+    ![detect board](img/Detect_boards.png)
+
+1. Press the 'Install MicroPython' button.
+
+1. Wait for Installation. After a few seconds, your board will be ready to go!
+
+If the installer doesn't automatically find the MicroPython firmware, you can [download it manually](https://micropython.org/download/?vendor=Arduino).