Add MacOS support

[Josverl]

This pull request includes a wide range of changes across multiple files to improve the functionality, readability, and usability of the codebase. The most important changes include adding new tests, updating code cells for readability, and improving the handling of command parameters.

Main changes:

• src/micropython_magic/octarine.py: Updated the octarine.py file to pass commands as lists instead of strings to the run_cmd method. [1] [2] [3] [4]
• src/micropython_magic/mpr.py: Updated the cmd parameter handling in the __init__, run_cmd, and copy_cell_to_mcu methods. [1] [2] [3] [4]
• src/micropython_magic/interactive.py: Improved type safety and clarity in the ipython_run and do_output methods. [1] [2]

Updated samples:

• samples/plot_cpu_temp_rp2.ipynb: Updated the plot_cpu_temp_rp2.ipynb sample notebook to indicate that certain code cells were not executed and removed their outputs. [1] [2] [3]
• samples/stop_cell.ipynb: Updated the stop_cell.ipynb sample notebook to reflect multiple executions of a code cell. [1] [2]
• samples/unstable/mem_info_list.ipynb: Updated the unstable/mem_info_list.ipynb sample notebook to disable file copying.
• samples/pico_model_rp2.ipynb: Added a new Jupyter Notebook file called pico_model_rp2.ipynb.
• samples/multi_file_rp2.ipynb: Moved code from multi_file.ipynb to multi_file_rp2.ipynb and commented out the import of the NeoPixel module. [1] [2]

Other changes related to improved testability:

• tests/test_samples.py: Modified the test_samples function and imported the subprocess module. [1] [2]
• tests/cases/config_trace.ipynb: Added code to configure MicroPythonMagic options and generate a warning for an unrecognized config option.
• tests/transfer.ipynb: Modified code cells and introduction markdown cell, added a function that returns a complex number, and removed code cells that print complex numbers. [1] [2] [3] [4] [5] [6]
• src/micropython_magic/memoryinfo.py: Improved readability and formatting in the memoryinfo.py module. [1] [2] [3] [4] [5] [6]
• tests/cases/cell_mount.ipynb: Updated the file path to correctly interpret backslashes.