Use safe insets to draw content

Currently edge to edge is enabled but we are not making use of safe
insets which causes app to draw behind display cutouts. This is
not a good UX, especially in landscape mode.

android/app/src/main/java/com/emergetools/hackernews/MainActivity.kt

@@ -7,8 +7,10 @@ import androidx.activity.enableEdgeToEdge
 import androidx.compose.animation.fadeIn
 import androidx.compose.animation.fadeOut
 import androidx.compose.animation.scaleIn
+import androidx.compose.foundation.layout.WindowInsets
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.safeContent
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.NavigationBar
@@ -100,7 +102,8 @@ fun App() {
           )
         }
       }
-    }
+    },
+    contentWindowInsets = WindowInsets.safeContent
   ) { innerPadding ->
     NavHost(
       modifier = Modifier