Use date range for the license copyright

[Baptouuuu]

Fix #5

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.78%. Comparing base (ae9b0e6) to head (e82f28d).
⚠️ Report is 2 commits behind head on develop.

Additional details and impacted files

@@            Coverage Diff             @@
##             develop       #7   +/-   ##
==========================================
  Coverage      95.78%   95.78%           
  Complexity        30       30           
==========================================
  Files              4        4           
  Lines             95       95           
==========================================
  Hits              91       91           
  Misses             4        4           

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