Add Algolia Search Support

[nadeemb53]

What does this PR resolve? 🚀

• Integrates Algolia DocSearch into the docs.

Details 📝

This PR adds Algolia search support to our docs by:

• Updating docusaurus.config.js to include the algolia configuration with appId, apiKey, and indexName.
• Configuring the search to prioritize contextual results for better relevance.

Checklist ✅

• I have merged the main branch into my branch and resolved all conflicts.
• I have documented the new code.
• I have smoke tested the new code locally.
• I have assigned the PR to myself.
• I have named the PR correctly.

[pajicf]

LGTM! 🎸

In case we ever need to replace Algolia for whatever reason with something free, we can use plugins like this one
(leaving the resource for future reference)