initial add blog controller

app/assets/javascripts/blog.coffee

+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/

app/assets/stylesheets/blog.scss

+// Place all the styles related to the blog controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

app/controllers/blog_controller.rb

+class BlogController < ApplicationController
+end

app/helpers/blog_helper.rb

+module BlogHelper
+end