Update README.md (#36)

Author: cayton

README.md

@@ -3,7 +3,7 @@
 # OFA Sunfish Framework Documentation 
 This is the web page hosting the OFA Sunfish framework documentation.
 
-Current version: v0.3
+Current version: v0.5
 
 - [Browse HTML](https://openfabrics.github.io/sunfish_docs/Sunfish%20Docs%20Experiment.html)
 - [Download PDF](https://github.com/OpenFabrics/sunfish_docs/releases)