Squashed 'third_party/protobuf/' content from commit e35e248

Change-Id: I6cbe123d09fe50fdcad0e51466665daeee7433c7
git-subtree-dir: third_party/protobuf
git-subtree-split: e35e24800fb8d694bdeea5fd63dc7d1b14d68723
diff --git a/ruby/Gemfile b/ruby/Gemfile
new file mode 100644
index 0000000..fa75df1
--- /dev/null
+++ b/ruby/Gemfile
@@ -0,0 +1,3 @@
+source 'https://rubygems.org'
+
+gemspec