created file sync

web/Gemfile

@@ -36,6 +36,10 @@ gem 'puma'
 # Use Capistrano for deployment
 # gem 'capistrano-rails', group: :development
 
+source 'https://rails-assets.org' do
+  gem 'rails-assets-tether', '>= 1.1.0'
+end
+
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
   gem 'byebug'