Ignore gemfile.lock

Ignore gemfile.lock

diff --git a/.gitignore b/.gitignore
index 2ae64ef..4508899 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,5 +17,6 @@ test/version_tmp
 tmp
 *.swp
 .DS_Store
+Gemfile.lock
 
 .rubocop-https---raw-githubusercontent-com-discourse-discourse-master--rubocop-yml

GitHub sha: 48c4119d