Update copyright years in README.md file

[github-actions]

It's that time of the year, let's update the license.

[codecov]

Codecov Report

Merging #19 (8001f5c) into master (f10ee1b) will decrease coverage by 52.24%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           master      #19       +/-   ##
===========================================
- Coverage   99.59%   47.34%   -52.25%     
===========================================
  Files           6        6               
  Lines         249      264       +15     
  Branches       81       90        +9     
===========================================
- Hits          248      125      -123     
- Misses          1       96       +95     
- Partials        0       43       +43     

Impacted Files	Coverage Δ
tests/utils.js	0.00% <0.00%> (-100.00%)	⬇️
src/index.js	40.95% <0.00%> (-59.05%)	⬇️
preset/webos/webos.js	70.00% <0.00%> (-24.45%)	⬇️
preset/ilib/ilib.js	100.00% <0.00%> (ø)

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