Updated `TopicScreen` and `Detail Screen` with changed UI#6

Merged

YugaJ7 merged 23 commits intomasterfrom

yuga/detail-topic-ui

Jun 1, 2025

Commits on May 28, 2025

- Updated `TopicScreen` to use a `Scaffold` layout with a top app bar, search field, and a list of `TopicCard`s.
YugaJ7
committed

Commits on May 30, 2025

Commits on May 31, 2025

- Refined color scheme for both light and dark themes.
YugaJ7
committed
- Added previews for `CodeExampleBox`, `SearchField`, and `TopicCard` components.
YugaJ7
committed