Update README.md with basics pdf

README.md

@@ -33,7 +33,7 @@ Details for the next session:
 | Time  | Subject                                                                                | Teacher           | Contents                  |
 | ----- | -----------------                                                                      | ----------------- | ------------------------- |
 | 10:00 | [Introduction](/uploads/ccbce60d8d17dd5e9d7949d91cc20a57/introduction.pdf)             | Mihai Lefter      | Welcome, version control introduction |
-| 10:30 | [Git basics](http:bit.ly/1WlfXyj)                                                      | Wibowo Arindrarto | Basic Git command line flow |
+| 10:30 | [Git basics](/uploads/5c35a9ecd72033b42ef55b602f6cb548/20170906_-_git-course_-_git-basics.pdf) | Wibowo Arindrarto | Basic Git command line flow |
 | 11:15 | [Practical](/uploads/eb2e001db4f605a343e19d23d40e754f/basics_handouts.pdf)             |                   |                           |
 | 12:00 | Lunch                                                                                  |                   |                           |
 | 13:00 | [Collaboration: remote repositories](/uploads/e1239f626e6c32a6c0bd915a0dc716ad/remotes.pdf)   | Jonathan Vis   | Sharing and collaborating via remotes |