Add documentation links

README.md

+# Documentation
+
+- http://cbonte.github.io/haproxy-dconv/index.html
+- http://cbonte.github.io/haproxy-dconv/configuration-1.6.html
+
 # Instruction to prepare a certificate file
 
 For HaProxy to terminate SSL requests we require a single PEM file with all certificate components chained together.