feat: add early bird to ics file

public/cfp/deadline.ics

@@ -6,7 +6,7 @@ BEGIN:VTIMEZONE
 TZID:Asia/Taipei
 LAST-MODIFIED:20240422T053450Z
 TZURL:https://www.tzurl.org/zoneinfo-outlook/Asia/Taipei
-X-WR-CALNAME:SITCON 2025 CFP
+X-WR-CALNAME:Asia/Taipei
 X-WR-TIMEZONE:Asia/Taipei
 X-LIC-LOCATION:Asia/Taipei
 BEGIN:STANDARD
@@ -18,6 +18,48 @@ END:STANDARD
 END:VTIMEZONE
 BEGIN:VEVENT
 DTSTAMP:20241122T062543Z
+UID:earlybird-20241123
+DTSTART;VALUE=DATE:20241123
+DTEND;VALUE=DATE:20241124
+SUMMARY:📝 SITCON 2025 開始徵稿
+URL:https://sitcon.org/2025/cfp/
+DESCRIPTION:https://sitcon.org/2025/cfp/\n投稿正式開跑，趕快準備你的精彩內容吧！
+BEGIN:VALARM
+ACTION:DISPLAY
+DESCRIPTION:📝 SITCON 2025 開始徵稿
+TRIGGER:-P1D
+END:VALARM
+END:VEVENT
+BEGIN:VEVENT
+DTSTAMP:20241122T062543Z
+UID:earlybird-20241218
+DTSTART;VALUE=DATE:20241218
+DTEND;VALUE=DATE:20241219
+SUMMARY:⚠️ SITCON 2025 早鳥投稿倒數一週
+URL:https://sitcon.org/2025/cfp/
+DESCRIPTION:https://sitcon.org/2025/cfp/\n早鳥優惠將於 23:59 截止，抓緊時間完成稿件！
+BEGIN:VALARM
+ACTION:DISPLAY
+DESCRIPTION:⚠️ SITCON 2025 早鳥投稿倒數一週
+TRIGGER:-P1D
+END:VALARM
+END:VEVENT
+BEGIN:VEVENT
+DTSTAMP:20241122T062543Z
+UID:earlybird-20241225
+DTSTART:20241225T155900Z
+DTEND:20241225T160000Z
+SUMMARY:🎯 SITCON 2025 早鳥投稿截止
+URL:https://sitcon.org/2025/cfp/
+DESCRIPTION:https://sitcon.org/2025/cfp/\n早鳥投稿將於 23:59 截止，享受優惠請提早投稿！
+BEGIN:VALARM
+ACTION:DISPLAY
+DESCRIPTION:🎯 SITCON 2025 早鳥投稿截止
+TRIGGER:-P1D
+END:VALARM
+END:VEVENT
+BEGIN:VEVENT
+DTSTAMP:20241122T062543Z
 UID:[email protected]
 DTSTART;VALUE=DATE:20241221
 DTEND;VALUE=DATE:20241222
@@ -47,8 +89,8 @@ END:VEVENT
 BEGIN:VEVENT
 DTSTAMP:20241122T062543Z
 UID:673e18d8a8b31
-DTSTART;VALUE=DATE:20250121
-DTEND;VALUE=DATE:20250122
+DTSTART:20250121T155900Z
+DTEND:20250121T160000Z
 SUMMARY:🚨 SITCON 2025 徵稿截止
 URL:https://sitcon.org/2025/cfp/
 DESCRIPTION:https://sitcon.org/2025/cfp/\n23:59 截止，記得送出稿件！
@@ -58,4 +100,4 @@ DESCRIPTION:🚨 SITCON 2025 徵稿截止
 TRIGGER:-P1D
 END:VALARM
 END:VEVENT
-END:VCALENDAR
+END:VCALENDAR