Add projects page

- Fix #48 - Migrate from jekyll to Nextjs
- Support csv collections
- Deploy to cloudflare instead of github pages
- Improve seo
- Fix some bugs
- Fix #35 - Use React
- Fix #42 - Use module bundler

Seperate course pages and search in collections !

- Add pdf export for events
- Add pagination and filter options for collection pages
- Add page headers with contribution and back button
- Add seperated pages for all courses
- Add file explorer for course page resources
- Add community standards and sponsor page
- Add initial seo tags
- Set codegeeks.ir as domain
- Seperate scripts from layouts and make them includable
- Refactor layouts, scripts and styles and fix some bugs

- Automate content updates

- Seperate website source code from content and build
- Add References, Guide, FAQs and About us pages
- Add Contest, Projects, Events and Blog pages
- Add image and pdf exports for events
- Migrate from bootstrap to tailwindcss