Add tax_references, its controller and some basic pages for viewing ref data about taxes.

config/locales/pt.yml

@@ -0,0 +1,10 @@
+pt:
+  hello: "Olá Mundo"
+  number:
+    currency:
+      format:
+        unit: '€'
+        delimiter: ','
+        separator: '.'
+        precision: 2
+        format: '%u%n'

config/routes.rb

@@ -1,6 +1,8 @@
 Rails.application.routes.draw do
   devise_for :users
   get 'pages/home'
+  get '/tax_references', to: 'tax_references#index'
+  get '/tax_references/:year', to: 'tax_references#show'
   mount RailsAdmin::Engine => '/admin', as: 'rails_admin'
   # For details on the DSL available within this file, see https://guides.rubyonrails.org/routing.html