feat(projects): add Astro, Vite, Supabase, Tailwind CSS, and Bun (addresses #1) - #763

Addresses #1

Summary of Changes

This pull request adds 5 popular, beginner-friendly, and actively maintained open-source projects to the suggested projects list (\src/data/projects.js):

1. Astro (\https://github.com/withastro/astro\) - The modern web framework powering this website itself!
2. Vite (\https://github.com/vitejs/vite\) - Next generation frontend tooling powering modern web development.
3. Supabase (\https://github.com/supabase/supabase\) - The leading open source Firebase alternative with active beginner issues.
4. Tailwind CSS (\https://github.com/tailwindlabs/tailwindcss\) - Rapidly growing utility-first CSS framework.
5. Bun (\https://github.com/oven-sh/bun\) - Ultra-fast JavaScript and TypeScript runtime and toolchain.

Quality Verification

• All 5 project avatar image URLs have been validated and return \200 OK\
• Verified full syntax and structure matches existing projects in \src/data/projects.js\
• Ran full production build (
  pm run build) with 100% pass rate
• No existing entries were modified or broken