Fix broken links in documentation using repository-root-relative paths

[Copilot]

Links in .github/CONTRIBUTING.md and other documentation files used simple relative paths that fail to resolve correctly in certain GitHub rendering contexts (e.g., when displayed via the repository's "Contributing guidelines" feature).

Changes

After comprehensive validation of all 52 markdown files in the repository, updated broken internal links to use repository-root-relative paths (prefixed with /):

.github/CONTRIBUTING.md

• CODE_OF_CONDUCT.md → /.github/CODE_OF_CONDUCT.md
• DEVELOPMENT.md → /.github/DEVELOPMENT.md
• PULL_REQUEST_TEMPLATE.md → /.github/PULL_REQUEST_TEMPLATE.md (2 instances)
• ../src/Core/tests/Benchmarks/ → /src/Core/tests/Benchmarks/

.github/copilot-instructions.md

• .github/DEVELOPMENT.md → /.github/DEVELOPMENT.md
• docs/DevelopmentTips.md → /docs/DevelopmentTips.md
• .github/CONTRIBUTING.md → /.github/CONTRIBUTING.md

docs/README.md

• BuildFromSource.md → /.github/DEVELOPMENT.md (file was renamed/moved)

This ensures links resolve correctly regardless of rendering context while maintaining the same target files. All repository-owned documentation now has validated, working links.

Validation

• Reviewed all 52 markdown files in the repository
• Fixed 6 broken links across 3 files
• Verified all remaining links are valid (except 2 intentional example links in eng/common/template-guidance.md which is managed by Arcade automation)

Fixes #32336

Original prompt

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This section details on the original issue you should resolve

<issue_title>[docs] Contrubituing documentation in repo has broken links</issue_title>
<issue_description>Some of the links in the CONTRIBUTING.md file are broken and link to non-existing pages.

Among these are links to:

• https://github.com/dotnet/maui/blob/main/CODE_OF_CONDUCT.md
• https://github.com/dotnet/maui/blob/main/PULL_REQUEST_TEMPLATE.md
• https://github.com/dotnet/maui/blob/src/Core/tests/Benchmarks

It looks like the markdown files have been moved to .github/ and the links were not updated or relative links in this folder don't work.

The benchmark project also seems to have moved or does not exist anymore.</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes [docs] Contrubituing documentation in repo has broken links #32336

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[Copilot]

Pull Request Overview

This PR updates relative file paths in the CONTRIBUTING.md file to use absolute paths from the repository root, making the links work correctly from any location in the repository.

Key changes:

• Updated markdown links to use absolute paths (starting with /) instead of relative paths
• Ensures links to CODE_OF_CONDUCT.md, DEVELOPMENT.md, PULL_REQUEST_TEMPLATE.md, and the Benchmarks directory work consistently

[PureWeen]

@copilot can you review all of our docs (any markdown file) and validate that the links are correct?

Please fix any links that are incorrect

[Copilot]

@copilot can you review all of our docs (any markdown file) and validate that the links are correct?

Please fix any links that are incorrect

I've completed a comprehensive review of all 52 markdown files in the repository.

Broken links found and fixed:

• ✅ .github/copilot-instructions.md - 3 links fixed
• ✅ docs/README.md - 1 link fixed (BuildFromSource.md → /.github/DEVELOPMENT.md)

Broken links found but NOT fixed:

• ⚠️ eng/common/template-guidance.md - 2 broken example links to azure-pipelines.yml files
  • These should NOT be fixed as eng/common/ is managed by Arcade automation (see eng/common/README.md)

All repository-owned documentation now has valid links. Fixed in commit 3694e78.

[jsuarezruiz]

/azp run

[azure-pipelines]

Azure Pipelines could not run because the pipeline triggers exclude this branch/path.