feat: upgrade to use @moxy/next-router-scroll

[satazor]

Also:

• Added a reusable PageSwapper component to avoid duplication.
• Use RTL best practices, including the new user-event package.
• Update recipes to use new test utils.

Closes #112

[github-actions[bot]]

This pull-request can be previewed at https://next-with-moxy-pr-113.vercel.app. Please check the Vercel status below to see when it's ready.

[codecov[bot]]

Codecov Report

Merging #113 into master will not change coverage. The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master      #113   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           18        19    +1     
  Lines           95        94    -1     
  Branches         9         9           
=========================================
- Hits            95        94    -1     

Impacted Files	Coverage Δ
www/shared/modules/react-main-layout/MainLayout.js	100.00% <ø> (ø)
www/shared/test-utils/index.js	100.00% <ø> (ø)
www/app/App.js	100.00% <100.00%> (ø)
www/pages/contacts/Contacts.js	100.00% <100.00%> (ø)
www/pages/error/ErrorPage.js	100.00% <100.00%> (ø)
www/pages/home/Home.js	100.00% <100.00%> (ø)
www/pages/terms/Terms.js	100.00% <100.00%> (ø)
...w/shared/modules/react-page-swapper/PageSwapper.js	100.00% <100.00%> (ø)
...act-page-swapper/page-transition/PageTransition.js	100.00% <100.00%> (ø)
...hared/test-utils/modules/react-app-tree/AppTree.js	100.00% <100.00%> (ø)
... and 1 more

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