New links, some re-organization

Changes

• Groups "Code and packages" and "CI/CD/Deployment" have been reorganized to "Managing projects", "Packages", and "Code related services"
• Some Groups have been renamed
• Footer shows how many links there are in total

New links

• Atlassian Home
• Asana
• Vercel
• Microsoft Azure
• AWS
• Google Cloud
• DigitalOcean
• gitignore.io
• GitBook
• Bootstrap
• Bulma
• Alpine.js
• Blazor
• D3
• Three.js
• JWT
• Elm
• Font Awesome

Remove links

• Firefox Platform Status (Website doesn't exist any more)