New Ticks/beat definition, fixes edge cases

[Natooz]

• new tpb and time division definition;
• creating controls for pedals when decoding tokens;
• docs on tokenizer time division;

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📚 Documentation preview 📚: https://miditok--129.org.readthedocs.build/en/129/

[codecov[bot]]

Codecov Report

Attention: 113 lines in your changes are missing coverage. Please review.

Comparison is base (d62513d) 89.84% compared to head (fd7d349) 89.62%. Report is 28 commits behind head on main.

Files	Patch %	Lines
tests/benchmark_preprocess.py	0.00%	34 Missing :warning:
miditok/classes.py	39.39%	20 Missing :warning:
miditok/utils/utils.py	86.04%	12 Missing :warning:
miditok/tokenizations/midi_like.py	92.30%	7 Missing :warning:
tests/test_data_augmentation.py	30.00%	7 Missing :warning:
miditok/tokenizations/mmm.py	94.02%	4 Missing :warning:
tests/test_utils.py	71.42%	4 Missing :warning:
miditok/bpe_iterator.py	40.00%	3 Missing :warning:
miditok/pytorch_data/datasets.py	62.50%	3 Missing :warning:
miditok/tokenizations/cp_word.py	91.66%	3 Missing :warning:
... and 9 more

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #129 +/- ## ========================================== - Coverage 89.84% 89.62% -0.23% ========================================== Files 34 35 +1 Lines 4699 4981 +282 ========================================== + Hits 4222 4464 +242 - Misses 477 517 +40 ```

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