Update README.md

Author: jwasham

README.md

@@ -1233,6 +1233,8 @@ Graphs can be used to represent many problems in computer science, so this secti
 - [ ] Consensus Algorithms:
     - [ ] Paxos - [Paxos Agreement - Computerphile (video)](https://www.youtube.com/watch?v=s8JqcZtvnsM)
     - [ ] Raft - [An Introduction to the Raft Distributed Consensus Algorithm (video)](https://www.youtube.com/watch?v=P9Ydif5_qvE)
+        - [ ] [Easy-to-read paper](https://raft.github.io/)
+        - [ ] [Infographic](http://thesecretlivesofdata.com/raft/)
 - [ ] [Consistent Hashing](http://www.tom-e-white.com/2007/11/consistent-hashing.html)
 - [ ] [NoSQL Patterns](http://horicky.blogspot.com/2009/11/nosql-patterns.html)
 - [ ] Scalability: