[btmonier]

• Adds a new BioKotlin documentation site using Zensical with future hosting on biokotlin.org.
• Reorganizes the old documentation into structured sections
• Adds GitHub Actions to automatically build the documentation and deploy changes from main to GitHub Pages.
• Adds tooling to convert Kotlin tutorial notebooks into Markdown documentation pages.
• Builds the site by converting notebooks, generating Dokka API docs, building with Zensical, and adding the API docs to the final site.
• Adds documentation for other developers if they want to build locally.