Add URL trimming and fetching logs

icalendar.ts

@@ -154,7 +154,9 @@ async function getSources(): Promise<Source[]> {
  * Fetches and parses events from a single calendar source
  */
 async function fetchAndParseCalendar(source: Source): Promise<CalendarEvent[]> {
-  const response = await fetch(source.url);
+  const url = source.url.trim();
+  console.log(`[iCalendar] Fetching: ${url}`);
+  const response = await fetch(url);
 
   if (!response.ok) {
     const error = new Error(`HTTP ${response.status}: ${response.statusText}`);