add nice statistics

app/controllers/home_controller.rb

@@ -0,0 +1,8 @@
+class HomeController < ApplicationController
+  before_action :authenticate_user!
+
+  def index
+    @user = current_user
+    @logins = Login.where(user: @user)
+  end
+end

app/controllers/statistics_controller.rb

@@ -0,0 +1,13 @@
+class StatisticsController < ApplicationController
+  before_action :authenticate_user!
+
+  def index
+    stats = Statistics.new(current_user)
+    @total_plays = stats.total_plays
+    @activity_by_day = stats.activity_by_day
+    @top_artists_all_time = stats.top_artists_all_time
+    @top_artists_year = stats.top_artists_year
+    @top_artists_upcoming = stats.top_artists_upcoming
+    @since_date = stats.since_date
+  end
+end