fix: link text not indexing

[dmitrymatio]

Description

Main fix of link text missing from search results by correctly mapping to the queried link's text value with

if (child.type === 'link') {
     return child?.children?.find(child => child.type === 'text')?.value;
}

Some minor formatting fixes.

Related Issue

Motivation and Context

How Has This Been Tested?

Tested within commerce-php repo where the issue was originally reported from by @dshevtsov

Screenshots (if appropriate):

Types of changes

• [x] 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 change)

Checklist:

• [x] I have signed the Adobe Open Source CLA.
• [ ] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes.
• [ ] All new and existing tests passed.