Add api/v1 base controller

app/controllers/api/v1/parks/base_controller.rb

@@ -1,5 +1,5 @@
-module Api::V1::Parks
-  class BaseController < ApplicationController
+module Api::V1
+  class Parks::BaseController < BaseController
     before_action :set_park
 
     private

app/controllers/api/v1/parks_controller.rb

@@ -1,5 +1,5 @@
-class Api::V1::ParksController < ApplicationController
-  DEFAULT_PAGE_SIZE = 10
+module Api::V1
+  class ParksController < BaseController
     before_action :set_park, only: :show
 
     def index
@@ -16,16 +16,9 @@ class Api::V1::ParksController < ApplicationController
 
     private
 
-  def per_page
-    (params[:per_page].presence || DEFAULT_PAGE_SIZE).to_i
-  end
-
-  def page
-    (params[:page].presence || 1).to_i
-  end
-
     def set_park
       @park = Park.find_by(code: params[:code])
       head :not_found unless @park.present?
     end
   end
+end