Update README.md

initial thoughts
updates
initial rails creation
removed generated rdoc
Added new gems
rails generate bootstrap:install less
ignore files
rails g bootstrap:layout application fixed
uses boostrap in app css
rails generate devise:install
rails g devise:views
rails generate devise
updated db
added Home controller
rails generate scaffold Item title:string version:string description:text relnotes:text pub_date:datetime enclosure_name:string enclosure_type:string enclosure_length:integer
rake db:migrate
rails generate scaffold Product title:string name:string description:text
rake db:migrate
added need for authentification
updated Readme with current implementation