Optimize large image asset

[google-labs-jules]

💡 What: Optimized public/assets/images/rahul-jain.jpg by resizing it to 1024x1024 and compressing it with JPEG quality 80.
🎯 Why: The original image was 821KB and 2038x2038px, which is excessive for its usage as a social media preview image.
📊 Measured Improvement:

• File size reduced from 821KB to 188KB (77% reduction).
• Dimensions reduced from 2038x2038 to 1024x1024.
• Verified no functionality regressions via E2E tests.

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PR created automatically by Jules for task 6966235374527076050 started by @xRahul

[google-labs-jules]

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