This commit enhances the `QuizScreen` to be interactive, allowing users to select choices and view revealed answers. It also introduces HTML parsing for question text and adds new design elements like icons and colors.
Key changes:
- **UI Layer (`ui:quiz` module):**
- `QuizScreen`:
- Now takes an `onSelect` callback to handle choice selection.
- `Choices` composable updated to display choices in a `LazyVerticalGrid` and handles click events.
- Introduced `ChoiceItem` which branches into `ChoiceItemDefault` (for selectable choices) and `ChoiceItemRevealed` (for displaying correct/incorrect answers).
- `ChoiceItemDefault` displays choices with background colors and icons based on their index.
- `ChoiceItemRevealed` displays choices with background colors indicating correctness (green for correct, red for incorrect selected, pink for incorrect unselected) and appropriate icons (tick for correct, cross for wrong).
- `QuestionContent` now parses HTML in the question text using `HtmlCompat` and a new `toAnnotatedString` extension.
- Image loading in `QuestionContent` uses `ContentScale.FillWidth` and `heightIn(min = 200.dp)`.
- Added a new preview `QuizScreenRevealedAnswerPreview` to showcase the revealed answer state.
- `QuizScreenViewModel`:
- Now manages `_selectedChoiceIndex` to track the user's answer.
- `uiState` is now a combination of the fetched quiz and the `_selectedChoiceIndex`, producing `QuizUiState` which includes an `AnswerUiState`.
- `AnswerUiState` holds the `selectedChoiceIndex`.
- Implemented `onChoiceSelected(index: Int)` to update the selected choice.
- **Design System (`core:designsystem` module):**
- Added `TextUtils.kt` with a `Spanned.toAnnotatedString()` extension function to convert HTML formatted text (from `HtmlCompat`) into Jetpack Compose `AnnotatedString`.
- Added new color definitions: `Pink`, `Red`, `Red2`, `Blue2`, `Yellow3`, `Green`, `Green2`.
- Added a `contrastiveTo(color: Color)` utility function to determine a contrasting text color (black or white) for a given background color.
- Added new vector drawables for choice shapes and correctness indicators:
- `ic_circle.xml`
- `ic_correct.xml`
- `ic_diamond.xml`
- `ic_square.xml`
- `ic_triangle.xml`
- `ic_wrong.xml`
- Added Detekt configuration file (`config/detekt/detekt.yml`) for the design system module.
- **Domain Layer (`domain` module):**
- `Question.image` is now nullable (`String?`).
- `Choice.correct` is now non-nullable (`Boolean`).
- **Network Layer (`core:network` module):**
- `ChoiceDto.correct` is now non-nullable (`Boolean`) to align with the domain model.
- **Project Configuration:**
- Added `.editorconfig` with Kotlin specific trailing comma settings.
- Minor reordering of dependencies in `gradle/libs.versions.toml`.
