added sections

app/controllers/sections_controller.rb

@@ -0,0 +1,4 @@
+class SectionsController < ApplicationController
+  active_scaffold :"section" do |conf|
+  end
+end

app/helpers/sections_helper.rb

@@ -0,0 +1,2 @@
+module SectionsHelper
+end

app/models/Category.rb

@@ -1,3 +1,4 @@
 class Category < ActiveRecord::Base  
   has_many :sub_categories
+  belongs_to :section
 end

app/models/section.rb

@@ -0,0 +1,3 @@
+class Section < ActiveRecord::Base
+    has_many :categories
+end