.gitignore in opal-js_wrap-three-0.1.3 vs .gitignore in opal-js_wrap-three-0.1.4

@@ -8,9 +8,11 @@
 /tmp/
 
 /node_modules/
 /lib-opal/js_wrap/three/
 
+/gh-pages/
+
 Gemfile.lock
 
 # rspec failure tracking
 .rspec_status