feat: add AMSAT status page to bottom navigation bar

- Add ic_satellite_alt.xml icon (from upstream author rt-bishop)
- Add Screen.AMSAT to Navigation.kt
- Add AMSAT entry in MainScreen.kt nav bar + NavDisplay entry
- Wire up feature:status module dependency in ApplicationPlugin
- Chinese/English nav_amsat strings already exist from earlier port

build-logic/convention/src/main/java/com/rtbishop/look4sat/convention/ApplicationPlugin.kt

@@ -37,6 +37,7 @@ internal class ApplicationPlugin : Plugin<Project> {
             implementation(project(":feature:radar"))
             implementation(project(":feature:satellites"))
             implementation(project(":feature:settings"))
+            implementation(project(":feature:status"))
             implementation(libs.androidx.core.splashscreen)
             implementation(libs.compose.material3.adaptive)
             implementation(libs.compose.navigation3)