- Updated Gemfile for GitHub Pages compatibility, including necessary gems.
- Added Gemfile.github-pages for specific GitHub Pages dependencies.
- Created scripts to switch between GitHub Pages and local development setups.
- Introduced GitHub Actions workflow for building and deploying the Jekyll site to GitHub Pages.
- Introduced a theme toggle button in the index page for switching between light and dark modes.
- Added a new stylesheet for the Hacktivity theme with CSS variables for theming.
- Updated existing styles in lab and default layouts to utilize CSS variables for consistent theming.
- Enhanced accessibility and visual appeal with improved color contrasts and hover effects.
