style: fix infinite loop gap in LogoLoop marquee component

fix: resolve blank screen crashes caused by missing React import and WebSocket send race condition

fix: rewrite LogoLoop to zero-JS pure CSS animation, bigger icons, tighter section padding

fix: rewrite LogoLoop to pure CSS keyframe animation for reliable infinite scrolling

feat: add infinite scrolling tech stack logo loop with react-icons and SMTP contact form

feat: add infinite scrolling tech stack logo loop with react-icons