chore: start adding overview page

config/initializers/dashboard/array_monkey_patches.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+module ArrayMonkeyPatches
+  def average
+    sum.to_f / size
+  end
+
+  def remove_blanks
+    reject { |item| item.nil? || item.to_f.nan? || item.zero? }
+  end
+end
+
+Array.include ArrayMonkeyPatches

config/initializers/dashboard/float_monkey_patches.rb

@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+module FloatMonkeyPatches
+  def round_up_to_one
+    if positive? && self < 1
+      1.0
+    else
+      self
+    end
+  end
+
+  def round_down_to_five
+    if positive? && self > 5
+      5.0
+    else
+      self
+    end
+  end
+end
+
+Float.include FloatMonkeyPatches

config/routes.rb

@@ -1,3 +1,10 @@
 Dashboard::Engine.routes.draw do
+  resources :districts do
+    resources :schools, only: %i[index show] do
+      resources :overview, only: [:index]
+      # resources :categories, only: [:show], path: "browse"
+      # resources :analyze, only: [:index]
+    end
+  end
   get "/welcome", to: "home#index"
 end