🎨 Palette: Add hover tooltips to README badges

[google-labs-jules]

💡 What

This change adds title attributes to the social media and skills badges in README.md.

🎯 Why

This provides helpful tooltips that appear on hover, giving users more context about where a link will take them. It's a small micro-UX improvement that makes the profile more interactive and user-friendly without cluttering the source code.

📸 Before/After

This is an interactive change. Before, hovering on badges did nothing. After, a descriptive tooltip appears.

♿ Accessibility

While title attributes have some accessibility benefits by providing extra information, the primary improvement here is for mouse users. The alt text on the images already provides the core information for screen reader users.

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PR created automatically by Jules for task 18276950312043891483 started by @Moohan

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