helper for tagging recipe repos when releasing

Rakefile

@@ -24,3 +24,18 @@ end
 task :docker_dev do
   sh "docker build -t simplygenius/atmos-dev -f Dockerfile.dev ."
 end
+
+def tag(repo_dir)
+  puts "Tagging #{File.basename(repo_dir)}"
+  Dir.chdir(repo_dir)
+  system("git tag -m \"Version #{version}\" #{version_tag}") || raise("tag failed")
+  system("git push --tags") || raise("push failed")
+end
+
+task :coordinated_release => :release do
+  version = Bundler::GemHelper.gemspec.version
+  version_tag = "v#{version}"
+
+  tag("../atmos-recipes")
+  tag("../atmos-pro-recipes")
+end