Update README.md

[Jack-Vines]

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Thanks for contributing to Nesta's Skills Extractor Library 🙏!

If you have suggested changes to code anywhere outside of the ExtractSkills class, please consult the checklist below.

Checklist ✔️🐍:

• I have refactored my code out from notebooks/
• I have checked the code runs
• I have tested the code
• I have run pre-commit and addressed any issues not automatically fixed
• I have merged any new changes from dev
• I have documented the code
  • Major functions have docstrings
  • Appropriate information has been added to READMEs
• I have explained the feature in this PR or (better) in output/reports/
• I have requested a code review

If you have suggested changes to documentation (and/or the ExtractSkills class), please ALSO consult the checklist below.

Documentation Checklist ✔️📚:

• I have run make html in docs
• I have manually reviewed the docs/build/*.html files locally to ensure they have formatted correctly
• I have pushed both relevant files AND their corresponding docs/build/*.html files