.gitignore in net-dns-0.6.1 vs .gitignore in net-dns-0.7.0

@@ -1,6 +1,8 @@
-.DS_Store
-nbproject
-.idea
-pkg
-doc
-coverage
\ No newline at end of file
+# Bundler
+.bundle
+pkg/*
+Gemfile.lock
+
+# YARD artifacts
+.yardoc
+yardoc/