Add deploy config to .travis.yml

Author: jckuester

.travis.yml

@@ -21,4 +21,13 @@ script:
   - make ci
 
 after_success:
-  - bash <(curl -s https://codecov.io/bash)
+  - bash <(curl -s https://codecov.io/bash)
+
+deploy:
+  - provider: script
+    skip_cleanup: true
+    script: curl -sL https://git.io/goreleaser | bash
+    on:
+      tags: true
+notifications:
+  email: false