https://markmairs.vercel.app/ 2026-08-06 monthly 1.0 https://markmairs.vercel.app/projects/infinity-train 2026-08-06 monthly 0.8 https://markmairs.vercel.app/projects/trading-dashboard 2026-08-06 monthly 0.8 https://markmairs.vercel.app/projects/inbox-invaders 2026-08-06 monthly 0.8