Toc

[Alex-Lewandowski]

• refactor toc html parsing
• collapsable subsections
• open markdown in preview
• scrolling for long table of contents
• jbook sidebar icon (Not sure we can use this. Need to check.)
• add indentation levels

[github-actions[bot]]

:point_left: Launch a Binder on branch ASFOpenSARlab/jupyterlab-jupyterbook-navigation/toc