production fix pack

[kguzek]

resolves #19
resolves #37

[Copilot]

Pull Request Overview

This PR fixes a dead link in the hero section by refactoring navigation functionality and redirecting from a broken /about route to a fragment on the current page.

• Extracted duplicate scroll navigation logic into a reusable helper function
• Updated hero section button to navigate to an about fragment instead of a broken /about page
• Applied the new helper function to existing navbar link functionality

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.

File	Description
src/lib/helpers.ts	New helper function for smooth scrolling to page elements with URL updates
src/components/navigation/navbar-link.tsx	Refactored to use the new helper function instead of duplicate code
src/app/page.tsx	Updated hero button to use fragment navigation instead of broken /about link

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