Update 'README.md'

README.md

@@ -1,6 +1,7 @@
 >#### [📧 SFU email](https://mail.sfu.ca/owa/#path=/mail)
 #### [📩 Gmail](https://mail.google.com/mail/u/0/?pli=1#inbox)
 #### [💾 Google Drive](https://drive.google.com/drive/u/0/my-drive)
+#### [📅 Google Calendar](https://calendar.google.com/calendar/u/0/r/customday)
 ___
 >#### [⚛ Lucas](https://gogs.21347.net/lucas)
 #### [📚 Academic](https://gogs.21347.net/academic)