Create Heroku Rails app using Bootstrap, Devise & cancan

The client's database has a list of products, each of which belong to a category e.g. Bananas Fruit Apple Fruit Spinach Veg Potato Veg Coke Drink Pepsi Drink He would like an application with three levels of user: System admin - full control to manage data and users Global viewer - can see all product & category data, read only Category viewer - can see only data for the category(s) to which they have access He would like you to create an application with this functionality, and make it live on Heroku (as well as sending me the source code) Please use: Bootstrap Devise cancan Postgres Please read the project first and write the word "Understood". Also write your steps and suggestions to complete the project with a short description of what you understood.