Implement CLI tool

[ttimasdf]

Currently, only transcribe sub-command is implemented.

# poetry run python cli.py --help
Usage: cli.py [OPTIONS] COMMAND [ARGS]...

Options:
  --help  Show this message and exit.

Commands:
  transcribe
  translate

# poetry run python cli.py transcribe --help
Usage: cli.py transcribe [OPTIONS]

Options:
  -t, --model_type [Whisper|Whisper.cpp|Hugging Face]
  -s, --model_size [tiny|base|small|medium|large]
  -I, --model_id TEXT
  -d, --device [cpu|cuda]
  -l, --language TEXT
  -w, --word_level_timing
  -i, --file_path PATH
  -F, --output_format [txt|srt|vtt]
  -J, --write_json
  --help                          Show this message and exit.

Command line example:

python cli.py transcribe -w -i ../test.mp3 -t whisper -s large

Resolve #265

TODO:

• poetry.lock is not updated. the lock file generated from my poetry differs a lot.
• translate command is not implemented.
• pytorch built with GPU support is not added to project dependency. I've added it to my pyproject.toml and it works, but it's not guaranteed to work on all platforms. See more on If GPU operations can be implemented, the extraction speed should be much faster #302 (comment)

[chidiwilliams]

This looks great, thanks. I'll test this out today.

[codecov]

Codecov Report

Merging #321 (138665e) into main (70ad8f9) will decrease coverage by 0.18%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #321      +/-   ##
==========================================
- Coverage   78.11%   77.93%   -0.19%     
==========================================
  Files           8        8              
  Lines        1595     1600       +5     
==========================================
+ Hits         1246     1247       +1     
- Misses        349      353       +4     

Flag	Coverage Δ
Windows	?
macOS	77.93% <100.00%> (+0.06%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
buzz/transcriber.py	75.60% <100.00%> (+0.27%)	⬆️
buzz/gui.py	78.82% <0.00%> (-0.43%)	⬇️

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[stale]

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