feat(libraries): add size property to Library and related models for better content representation

app/src/main/java/hu/bbara/purefin/ui/screen/libraries/components/LibraryListItem.kt

@@ -2,6 +2,7 @@ package hu.bbara.purefin.ui.screen.libraries.components
 
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
+import hu.bbara.purefin.model.LibraryKind
 import hu.bbara.purefin.ui.common.card.MediaImageCard
 import hu.bbara.purefin.ui.model.LibraryUiModel
 
@@ -14,6 +15,7 @@ fun LibraryListItem(
     MediaImageCard(
         imageUrl = uiModel.posterUrl,
         title = uiModel.name,
+        subtitle = "${uiModel.size} ${if (uiModel.type == LibraryKind.SERIES) "series" else "movies"}",
         onClick = onClick,
         modifier = modifier
     )