Avo 3 to Bullet Train blueprint

See more at: avohq.io/blueprints

Happening

1. Add to the Gemfile. Possibly to show a choice for avo, pro or advanced. gem "avo", ">= 3.2.3", source: "https://packager.dev/avo-hq"
2. Run bundle install
3. Add the route mount Avo::Engine, at: Avo.configuration.root_path
4. Copy the template files