✨ Minor improvements for the MD

[Ousret]

With this PR we push further the detection coverage (less than 1% improvement).
But still noticeable.

[codecov-commenter]

Codecov Report

Merging #101 (3f79dea) into master (0c52bfe) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #101   +/-   ##
=======================================
  Coverage   85.51%   85.51%           
=======================================
  Files          11       11           
  Lines        1194     1194           
=======================================
  Hits         1021     1021           
  Misses        173      173           

Impacted Files	Coverage Δ
charset_normalizer/md.py	87.86% <100.00%> (ø)

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[Ousret]

The char-dataset was updated. +23 files added.
see Ousret/char-dataset@3020ce9