[WIP] switch to using MPRemoteboard from the mpflash module

[Copilot]

Thanks for assigning this issue to me. I'm starting to work on it and will keep this PR's description up to date as I form a plan and make progress.

Original issue description:

Currency microphone by the magic directly. Interfaces with the. Micropython boards through logic that directly included into this project. That logic has been separately developed and improved as part of MP flash. MP flash contains the MP, remote board classes and sub modules. That allow better control and usage and should be able to replace all functionality that's currently part of MP flash. So the goal is to add a dependency on amp flash replace. The current interface logic with the boards with the Ampere remote class.

Fixes #49.

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[Josverl]

@copilot : see: https://github.com/Josverl/mpflash and mpflash op pypi