docs: Prepare version 0.3.0 release notes

refs: #3985

Change-Id: I5172cfe96b104b6c0b8cdf769413b9223d79ed18
diff --git a/setup.py b/setup.py
index 8229d80..06a12cb 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
 
 setup(
     name = "Mini-NDN",
-    version = '0.2.0',
+    version = '0.3.0',
     packages = find_packages(),
     scripts = ['bin/minindn', 'bin/minindnedit'],
 )