Title: Improve clarity of intro paragraph on REST API Guides page Body: The intro paragraph on /rest/guides reuses the word "results" with two different meanings in the same sentence, making it harder to read. Proposing a small copy edit for clarity.

[Anujakhatri]

Why:

What's being changed (if available, include any code snippets, screenshots, or gifs):

Reworded the intro paragraph on the REST API Guides index page
(content/rest/guides/index.md) to remove a repeated use of the
word "results" and improve overall readability. Split one long
sentence into two shorter ones for scannability. No changes to
front matter, links, or the guides list.

Before:

This section of the documentation is intended to get you
up-and-running with real-world GitHub API applications. We'll
go over everything you need to know, from authentication to
results manipulation to integrating results with other apps.

After:

These guides walk you through building real-world applications
with the GitHub API, covering everything from authentication to
processing and displaying the data you retrieve.

Each guide includes a complete project, documented and available
in the public platform-samples repository.

[github-actions]

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Table of review links

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The table shows the files in the content directory that were changed in this pull request. This helps you review your changes on a staging server. Changes to the data directory are not included in this table.

Source	Review	Production	What Changed
rest/guides/index.md	fpt ghec ghes@ 3.21 3.20 3.19 3.18 3.17	fpt ghec ghes@ 3.21 3.20 3.19 3.18 3.17

Key: fpt: Free, Pro, Team; ghec: GitHub Enterprise Cloud; ghes: GitHub Enterprise Server

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[subatoi]

Hi again @Anujakhatri — I think this is too much of a personal choice, and we won't be accepting this particular change, but I've made a comment on your other PR towards getting that merged. Thank you!