Corrected links to point to renamed README file in awesome-copilot repository

[jonasbn]

Why:

Closes: #41072

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

As outlined in the issue, the links pointing to:

• https://github.com/github/awesome-copilot/blob/main/README.instructions.md are resulting in 404

Example page:

• https://docs.github.com/en/copilot/tutorials/customization-library/custom-instructions/your-first-custom-instructions

Check off the following:

• A subject matter expert (SME) has reviewed the technical accuracy of the content in this PR. In most cases, the author can be the SME. Open source contributions may require an SME review from GitHub staff.
• The changes in this PR meet the docs fundamentals that are required for all content.
• All CI checks are passing and the changes look good in the review environment.

[welcome]

Thanks for opening this pull request! A GitHub docs team member should be by to give feedback soon. In the meantime, please check out the contributing guidelines.

[github-actions]

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Table of review links

Note: Please update the URL for your staging server or codespace.

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
copilot/tutorials/customization-library/custom-instructions/accessibility-auditor.md	fpt ghec	fpt ghec	from reusable
copilot/tutorials/customization-library/custom-instructions/code-reviewer.md	fpt ghec	fpt ghec	from reusable
copilot/tutorials/customization-library/custom-instructions/concept-explainer.md	fpt ghec	fpt ghec	from reusable
copilot/tutorials/customization-library/custom-instructions/debugging-tutor.md	fpt ghec	fpt ghec	from reusable
copilot/tutorials/customization-library/custom-instructions/github-actions-helper.md	fpt ghec	fpt ghec	from reusable
copilot/tutorials/customization-library/custom-instructions/issue-manager.md	fpt ghec	fpt ghec	from reusable
copilot/tutorials/customization-library/custom-instructions/pull-request-assistant.md	fpt ghec	fpt ghec	from reusable
copilot/tutorials/customization-library/custom-instructions/your-first-custom-instructions.md	fpt ghec	fpt ghec	from reusable

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

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[Copilot]

Pull Request Overview

This PR updates the URL path for the "Awesome GitHub Copilot Customizations" repository links across reusable content files. The links previously pointed to README.instructions.md but are now corrected to point to README.md.

Key changes:

• Updated the repository link URL from README.instructions.md to README.md in two reusable content files

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
data/reusables/copilot/customization-examples-note.md	Corrected the URL path in the note about community-contributed examples
data/reusables/copilot/custom-instructions-further-reading.md	Corrected the URL path in the further reading section

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[Sharra-writes]

@jonasbn We just merged a PR updating the second link earlier today (which is why there's a "this branch has conflicts that must be resolved" warning right now). If you could get rid of that change, I will happily accept and merge the other one!

[jonasbn]

Hi @Sharra-writes

I have accepted and merged the incoming change as per the merge conflict.