Yasir Mahmood simptive

## layout.html.rb
<%# Relevant methods/vars: heading, navigation_add, render_navigation %>
<!DOCTYPE html>
<html>
  <%# header content %>
  <body>
    <section class="content-header">
      <% heading = yield(:heading).truncate(30) %>
      <h1><%= heading %></h1>
      <% navigation_add (heading), request.fullpath %>
      <%= render_navigation %>
	<%# Relevant methods/vars: heading, navigation_add, render_navigation %>
	<!DOCTYPE html>
	<html>
	<%# header content %>
	<body>
	<section class="content-header">
	<% heading = yield(:heading).truncate(30) %>
	<h1><%= heading %></h1>
	<% navigation_add (heading), request.fullpath %>
	<%= render_navigation %>