Implement download feature for calendars and addressbooks

Fixes #70

crates/ical/src/icalendar/event.rs

@@ -11,8 +11,8 @@ use std::{collections::HashMap, str::FromStr};
 
 #[derive(Debug, Clone)]
 pub struct EventObject {
-    pub(crate) event: IcalEvent,
-    pub(crate) timezones: HashMap<String, IcalTimeZone>,
+    pub event: IcalEvent,
+    pub timezones: HashMap<String, IcalTimeZone>,
     pub(crate) ics: String,
 }
 

crates/ical/src/icalendar/object.rs

@@ -136,6 +136,10 @@ impl CalendarObject {
         ))
     }
 
+    pub fn get_data(&self) -> &CalendarObjectComponent {
+        &self.data
+    }
+
     pub fn get_id(&self) -> &str {
         &self.id
     }