.gitignore in coursemology-polyglot-0.3.6 vs .gitignore in coursemology-polyglot-0.3.7

@@ -18,5 +18,8 @@
 .idea/vcs.xml
 .idea/polyglot.iml
 .idea/modules.xml
 .idea/misc.xml
 .idea/inspectionProfiles/Project_Default.xml
+
+# Ignore Ruby version
+.ruby-version