Build docker image
Package to a single plugin file to follow airflow plugin structure

Change-Id: I53765c6d399f8d8e9eeed28901132953c1cf7df6
diff --git a/VERSION b/VERSION
index 341cf11..9325c3c 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.2.0
\ No newline at end of file
+0.3.0
\ No newline at end of file