1.0.2: Refactor App.svelte layout: organize sections and improve styling

- Added a header section for the title and current domain.
- Introduced a content section for DNS records with improved overflow handling.
- Updated footer section for navigation buttons with consistent styling.
- Incremented version number in the footer from 1.0.1 to 1.0.2.

1.0.1

feat: update version to 1.0.1 and enhance DNS record fetching error h…

1.0.0

feat: implement DNS record fetching and display with Svelte stores