update badge

Author: ghedamat

README.md

@@ -2,9 +2,7 @@
 
 > An ember-cli-deploy plugin to compress files in-place using gzip compression
 
-<hr/>
-**WARNING: This plugin is only compatible with ember-cli-deploy versions >= 0.5.0**
-<hr/>
+![](https://ember-cli-deploy.github.io/ember-cli-deploy-version-badges/plugins/ember-cli-deploy-gzip.svg)
 
 This plugin compresses files in-place using gzip compression. This is helpful to prepare for upload to an asset host that expects files to be pre-compressed.