chore: Fix typos and code formatting inconsistencies

[cypherpepe]

trafficstars

This pull request addresses the following changes:

• Corrected typos in multiple Markdown files (end-to-end.md, switch-clients.md) to improve readability and accuracy.
• Resolved a duplicate position: relative; CSS rule in algolia.css to ensure cleaner styling.
• Adjusted code formatting in DocSearch.js for improved maintainability.

Addresses minor documentation errors and CSS redundancy to improve the codebase.

[CLAassistant]

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