⚡ Bolt: Optimize images (WebP conversion + Attributes)

[tonymendonca23]

• 💡 What: Converted all images to WebP format, resized recipe images to appropriate dimensions (288x288 for 2x density), added explicit width/height attributes to prevent CLS, added loading="lazy" to off-screen images, and added fetchpriority="high" to the LCP hero image. Also added object-fit: cover to CSS to ensure proper aspect ratio handling.
• 🎯 Why: Large unoptimized images (especially the 792KB hero PNG) were slowing down page load. Missing dimensions caused layout shifts.
• 📊 Impact:
  • Hero Image: Reduced from 792KB (PNG) to 90KB (WebP) -> ~88% reduction.
  • Recipe Images: Significant reductions (e.g., Roti Curry from 139KB to 20KB).
  • LCP: Improved by prioritizing the hero image load.
  • CLS: Eliminated by reserving space for images before they load.
• 🔬 Measurement: Verified using a Python Playwright script to check attributes, file formats, and computed styles. Visual verification confirmed no layout distortion.

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PR created automatically by Jules for task 16581133067380045992 started by @tonymendonca23

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