Add hello ryan nguyen to getting started page title

[mintlify-development]

Summary

Updated the title of the getting started page (index.mdx) to include "hello ryan nguyen"

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Note

Low Risk
Single-string documentation metadata change; no functional or runtime-impacting code changes.

Overview
Updates the index.mdx frontmatter page title to include the prefix "hello ryan nguyen" (from "Introduction" to "hello ryan nguyen Introduction").

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Personal greeting accidentally committed in page title

High Severity

The page title was changed from "Introduction" to "hello ryan nguyen Introduction", which adds a personal greeting to a user-facing documentation page. This looks like test or personal code that was accidentally committed and would be visible to all users visiting the getting started page.