docs: Prepare version 0.3.0 release notes

refs: #3985

Change-Id: I5172cfe96b104b6c0b8cdf769413b9223d79ed18
diff --git a/bin/minindn b/bin/minindn
index d0ff5ef..c6fc1f8 100755
--- a/bin/minindn
+++ b/bin/minindn
@@ -89,7 +89,7 @@
 from ndn.nlsr import Nlsr, NlsrConfigGenerator
 from ndn.nfd import Nfd
 
-VERSION_NUMBER = "0.2.0"
+VERSION_NUMBER = "0.3.0"
 INSTALL_DIR='/usr/local/etc/mini-ndn/'
 
 class PrintExperimentNames(argparse.Action):