added map

app/controllers/pages_controller.rb

@@ -1,4 +1,8 @@
 class PagesController < ApplicationController
   def thanks
   end
+
+  def map
+    @supporters = Supporter.all.select(&:coordinates)
+  end
 end

config/routes.rb

@@ -5,4 +5,5 @@ Rails.application.routes.draw do
 
   get '/thanks', to: 'pages#thanks', as: :thanks
   get '/cities_autocomplete', to: 'cities_autocomplete#index', as: :cities_autocomplete
+  get '/map', to: 'pages#map', as: :map
 end