.gitignore in hyperloop-config-0.9.11 vs .gitignore in hyperloop-config-0.99.0

@@ -1,9 +1,15 @@
 /.bundle/
 /.yardoc
-/Gemfile.lock
 /_yardoc/
 /coverage/
 /doc/
 /pkg/
 /spec/reports/
 /tmp/
+/spec/test_app/Gemfile.lock
+
+# ignore gems
+*.gem
+
+# ignore Idea files
+.idea