Portal: Commit llms txt files, add logs in postbuild scripts (#6890)

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## PR-Codex overview
This PR focuses on enhancing error handling and logging in the `extractSearchData.ts` and `extractLLMData.ts` scripts, while also updating the content of the `llms.txt` file with new documentation.

### Detailed summary
- Added logging for successful extraction in `extractSearchData.ts` and `extractLLMData.ts`.
- Implemented error handling with `try-catch` blocks in both scripts.
- Updated `llms.txt` with new documentation content, including UI components, transactions, and hooks.

> The following files were skipped due to too many changes: `apps/portal/public/llms.txt`, `apps/portal/public/llms-full.txt`

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Author: MananTank

apps/portal/.gitignore

@@ -39,8 +39,6 @@ next-env.d.ts
 
 # generated files
 searchIndex.json
-public/llms.txt
-public/llms-full.txt
 
 .env
 public/sitemap*.xml