get dates for frontend

terminwahl_typen/src/lib.rs

@@ -85,3 +85,14 @@ impl Nutzer {
         !self.name.is_empty() && !self.email.is_empty() && !self.schueler.is_empty()
     }
 }
+
+#[derive(Debug, Deserialize, Serialize, Clone)]
+pub struct Date {
+    id: IdType,
+    name: String,
+    subtitle: String,
+    start_time: NaiveDateTime,
+    end_time: NaiveDateTime,
+}
+
+pub type Dates = Vec<Date>;