Google Calendar 行事曆加行程 link
可以參考 https://github.com/InteractionDesignFoundation/add-event-to-calendar-docs/blob/main/services/google.md 範例: https://calendar.google.com/calendar/render?action=TEMPLATE&text=2021/10/01-10/03+2021台北XX展&dates=20211001T093000/20211003T173000&details=https://URL/FOR/MORE/DETAIL&logo=&output=xml&ctz=Asia/Taipei&location=台北南港展覽館1館