Use relative links

[AHGIJMKLKKZNPJKQR]

Description

Describe your changes.

Motivation and Context

Why is this change required? What problem does it solve? If it fixes an open
issue, please link to the issue here.

Documentation impact

• Documentation update required
• Documentation updated in another PR
• No documentation update required

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to
  not work as expected)

[Copilot]

Pull request overview

This PR updates the submodule link generation in the Docusaurus template to use relative links instead of full path-based links. The change simplifies navigation by linking directly to sibling submodules using ./ notation rather than reconstructing the full module path with dot-to-slash replacement.

Key Changes:

• Modified submodule link generation to use relative paths (./submodule.name) instead of absolute paths based on the full module name

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