Feature/update plotly and sphinx

Contents (#13)

New features

• Updated plotly version

Operations

• BUmp version for new features
• Resolve bad merge
• Ignore the deep plotly directories
• Remove json check as it's too slow for large json files
• Prevent formatting thrid party extensions
• Apply uniform style guide throughout

Refactoring

• Remove mkdocs script now container has a doc build extension
• Remove unused manifest now we use poetry instead
• Remove old requirements file now we're using pyproject.toml

Other

• MathJax.js
• Merge branch 'feature/update-plotly-and-sphinx' of github.com:thclark/sphinx-charts into feature/update-plotly-and-sphinx

Uncategorised!

• upgrading depenencies to also work with Sphinx 4
• removing comment
• Merge pull request #11 from LydByDissing/feature/upgrade-to-sphinx-4