Fix/theme changes

[lohi212]

Changes:

• Footer overlap
• Logo in dark theme
• dark theme cards
• change in react logos and rest-api
• searchbox and suggestions container for dark theme
• toggle icon transition

Loom:

• https://www.loom.com/share/d0ccf157efd8427dad17558addca37f4
• https://www.loom.com/share/7fd9361117ac4ddaa0afd58d7d63eb61

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🔍 Inspect: https://vercel.com/reactivesearch/docs/DxPCEqjkt9ZbcnaaeY5YHDzVfNEp
✅ Preview: https://docs-git-fix-theme-changes-reactivesearch.vercel.app

[lohi212]

@siddharthlatest https://www.loom.com/share/5581ec519f0a490e9a1dc1c9f290cefe

https://www.loom.com/share/306a17caa85141c98a0193dd7b811a50