Merge pull request #1 from codacy-badger/codacy-badge

Add a Codacy badge to README.md

Author: snickerjp

README.md

@@ -1,5 +1,7 @@
 # docker-mysql-shell
 
+[![Codacy Badge](https://api.codacy.com/project/badge/Grade/314c46648b7a4b85a25edfeef95edad5)](https://app.codacy.com/gh/snickerjp/docker-mysql-shell?utm_source=github.com&utm_medium=referral&utm_content=snickerjp/docker-mysql-shell&utm_campaign=Badge_Grade_Settings)
+
 ## spec
 
 * Ubuntu