Adding Searching Feature

[fabohax]

This PR introduces a searching feature to the Clarity Book project, allowing users to search across all pages. The following changes were made:

Search Index Generation:

Added genSearchIndex.js to generate a search-index.json file containing searchable content from Markdown files.
Integrated genSearchIndex.js into the build.js script to ensure the search index is generated during the build process.

Search Functionality:

Added search.js to handle client-side search functionality.
The search bar in base.html now dynamically displays search results based on user input.

Build Script Enhancements:

Updated build.js to:
Copy search.js to the root of the build directory as search.js.
Generate the search-index.json file during the build process.

Error Handling:

Improved error handling in search.js to manage cases where the search-index.json file is missing or invalid.

Testing:
Verified that the search-index.json file is generated correctly during the build process.
Tested the search functionality in the browser using a local HTTP server.

Notes:
Ensure the project is served via an HTTP server (e.g., python http-server) to avoid CORS issues with fetch.

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
clarity-book	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Apr 25, 2025 5:27am

[MarvinJanssen]

Thanks @fabohax this sounds like a great addition. @kenrogers I would love to try out the preview for this but it looks like the Vercel previews are not publicly accessible.

[vercel]

@fabohax is attempting to deploy a commit to the stacks-team Team on Vercel.

A member of the Team first needs to authorize it.

[fabohax]

It seems this got forgotten? :(