feat: Implement airport data fetching and display

This commit introduces the functionality to fetch airport data from the Ryanair API and display it in the UI.

Key changes:
- Added `AirportInfoModel` interface and its implementation `AirportInfoModelImpl` to represent airport data in the data layer.
- Created `AirportInfoModelMapper` to map `AirportResponse` to `AirportInfoModel`.
- Set the base URL for Retrofit in `NetworkModule` to `https://services-api.ryanair.com`.
- Added new Gradle modules: `model:data:shared`, `model:datasource:airports`, `model:datasource:shared`, and `domain:search`.
- Implemented `CacheImpl` in `model:data:shared` for generic caching.
- Defined `ObserveAirportsUseCase` interface in `domain:search` to observe airport data.
- Added Detekt configuration for the `domain:search` and `model:datasource:shared` modules.
- Created `AirportsDatasource` interface and its implementation `AirportsDatasourceImpl` to manage airport data.
- Implemented `AirportInfoDomainMapper` to map `AirportInfoModel` to the domain `AirportInfo`.
- Updated `HomeScreen` to display a list of airports using `LazyColumn`.
- Updated `HomeScreenViewModel` to fetch and expose airport data via `ObserveAirportsUseCase`.
- Added `ObserveAirportsUseCaseModule` to provide the `ObserveAirportsUseCase` implementation.
- Implemented `ObserveAirportsUseCaseImpl` in the repository layer to fetch data from the API and update the datasource.
- Added `kotlinx-datetime` dependency.
- Created `AirportsDatasourceModule` to provide `AirportsDatasource` and its implementation.
- Added `CacheObservers.kt` with a utility function `loadData` to handle cache observation and data loading logic.
- Updated dependencies in `model:data:simple`, `model:repository`, and `ui:home` build files.
- Updated `settings.gradle.kts` to include new modules.
- Defined `Cache` interface in `model:datasource:shared`.

model/datasource/airports/build.gradle.kts

@@ -0,0 +1,15 @@
+plugins {
+    alias(libs.plugins.flights.android.library)
+    alias(libs.plugins.flights.android.library.hilt)
+}
+
+android {
+    namespace = "dev.adriankuta.flights.model.datasource.airports"
+}
+
+dependencies {
+    api(projects.model.datasource.shared)
+    implementation(projects.model.data.api)
+
+    implementation(libs.timber)
+}

model/datasource/airports/src/main/kotlin/dev/adriankuta/flights/model/datasource/airports/AirportsDatasource.kt

@@ -0,0 +1,13 @@
+package dev.adriankuta.flights.model.datasource.airports
+
+import dev.adriankuta.flights.model.datasource.airports.entities.AirportInfoModel
+import dev.adriankuta.flights.model.datasource.shared.Cache
+import dev.adriankuta.model.data.api.entities.AirportResponse
+import kotlinx.coroutines.flow.StateFlow
+
+interface AirportsDatasource {
+
+    val airports: StateFlow<Cache<List<AirportInfoModel>>>
+
+    suspend fun setAirportsInfo(airports: List<AirportResponse>, cacheKey: String)
+}

model/datasource/airports/src/main/kotlin/dev/adriankuta/flights/model/datasource/airports/entities/AirportInfoModel.kt

@@ -0,0 +1,29 @@
+package dev.adriankuta.flights.model.datasource.airports.entities
+
+interface AirportInfoModel {
+    val code: String
+    val name: String
+    val seoName: String
+    val isBase: Boolean
+    val timeZone: String
+
+    // City properties
+    val cityCode: String
+    val cityName: String
+
+    // MacCity properties
+    val macCode: String
+
+    // Region properties
+    val regionCode: String
+    val regionName: String
+
+    // Country properties
+    val countryCode: String
+    val countryName: String
+    val countryCurrencyCode: String
+
+    // Coordinates properties
+    val latitude: Double
+    val longitude: Double
+}

model/datasource/shared/build.gradle.kts

@@ -0,0 +1,12 @@
+plugins {
+    alias(libs.plugins.flights.android.library)
+    alias(libs.plugins.flights.android.library.hilt)
+}
+
+android {
+    namespace = "dev.adriankuta.flights.model.datasource.shared"
+}
+
+dependencies {
+    implementation(libs.timber)
+}

model/datasource/shared/config/detekt/detekt.yml

@@ -0,0 +1,10 @@
+# Deviations from defaults
+formatting:
+  TrailingCommaOnCallSite:
+    active: true
+    autoCorrect: true
+    useTrailingCommaOnCallSite: true
+  TrailingCommaOnDeclarationSite:
+    active: true
+    autoCorrect: true
+    useTrailingCommaOnDeclarationSite: true

model/datasource/shared/src/main/kotlin/dev/adriankuta/flights/model/datasource/shared/Cache.kt

@@ -0,0 +1,6 @@
+package dev.adriankuta.flights.model.datasource.shared;
+
+public interface Cache<T> {
+    public val cacheKey: String?
+    public val data: T?
+}