Add other learning resources

README.md

@@ -40,3 +40,8 @@ on this repo!
 
 ### Recent Workshops
 * [Dec 1: Using code.ornl.gov](using-code-ornl-gov/)
+
+## Other Resources
+* Ten Simple Rules for Taking Advantage of Git and GitHub [PDF](resources/ten-simple-rules.pdf)
+* Git Immersion [Tutorial](http://gitimmersion.com/)
+* Learn Git Branching [Tutorial](http://learngitbranching.js.org/)