google calendar url query arguments
google calendar url 建立活動
https://calendar.google.com/calendar/r/eventedit?
&text=Calendar+Text
&dates=20180426T090000/20180426T110000
&details=this+is+detail
&ctz=Asia/Taipei
&location=Taipei
&trp=false
&sf=true
'text' => 標題,
'dates' => 時間範圍,
'details' => 說明,
'ctz' => 時區,
'location' => 地點,
'trp' => 是否忙碌,
'sf' => 是否視訊通話,