Add example to update firmware on modulinos with MCU

[sebromero]

This PR adds a script that allows to dynamically update the firmware on connected modulinos.

[Copilot]

Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.

Comments suppressed due to low confidence (3)

examples/firmware_update.py:35

• [nitpick] The variable name 'bus' is too generic. Consider renaming it to something more descriptive like 'i2c_bus'.

bus = None # Change this to the I2C bus you are using on 3rd party host boards

examples/firmware_update.py:266

• The 'run' function initializes the flashing process but there's no indication of explicit test coverage for this function.

def run(bus: I2C):

src/modulino/modulino.py:319

• The docstring for 'available_devices' should be updated to include the new 'bus' parameter.

bus (I2C): The I2C bus to use. If not provided, the default I2C bus will be used.