.gitignore in middleman-img_loading_attribute-0.1.0 vs .gitignore in middleman-img_loading_attribute-0.2.0

@@ -1,5 +1,7 @@
 # Ignore bundler lock file
 /Gemfile.lock
 
 # Ignore pkg folder
-/pkg
\ No newline at end of file
+/pkg
+
+.ruby-version