now there are items and a bit of style to the library

src/core/presentations.rs

@@ -10,6 +10,8 @@ use tracing::error;
 use crate::{Background, Slide, SlideBuilder, TextAlignment};
 
 use super::{
+    content::Content,
+    kinds::ServiceItemKind,
     model::{get_db, LibraryKind, Model},
     service_items::ServiceTrait,
 };
@@ -34,6 +36,16 @@ pub struct Presentation {
     pub kind: PresKind,
 }
 
+impl Content for Presentation {
+    fn title(&self) -> String {
+        self.title.clone()
+    }
+
+    fn kind(&self) -> ServiceItemKind {
+        ServiceItemKind::Presentation(self.clone())
+    }
+}
+
 impl From<Value> for Presentation {
     fn from(value: Value) -> Self {
         Self::from(&value)