Add single switch topology in mininet with two hosts. Useful to
demonstrate simple use cases like bridging between two hosts on
single switch.

Change-Id: I9499341facfed4e9da1d62cb17e20f539517f2cc
diff --git a/mininet/Chart.yaml b/mininet/Chart.yaml
index 0a5f10e..d380e2e 100644
--- a/mininet/Chart.yaml
+++ b/mininet/Chart.yaml
@@ -18,4 +18,4 @@
 appVersion: 1.1.0
 description: A Helm chart for Mininet
 name: mininet
-version: 1.2.1
+version: 1.2.2