VOL-2131 Create voltha python base docker image

Change-Id: I2c996b72903f0445674041ba6ec597ce3981ba2f
diff --git a/VERSION b/VERSION
new file mode 100644
index 0000000..3eefcb9
--- /dev/null
+++ b/VERSION
@@ -0,0 +1 @@
+1.0.0