Update 'README.md'

README.md

@@ -10,3 +10,6 @@ bookmarks from across the web
 - [Politics](politics.md)
 - [Economics](economics.md)
 - [Miscellaneous](miscellaneous.md)
+
+### SFU
+- [Academic Calendar](https://www.sfu.ca/gradstudies/graduate-students/managing-your-program/deadlines.html)