added pictures controller and index picture route
working index pages
added working pictures
added individual pictures routes
added picture0 method in controller
added picture0 html
defined pic0 method and filled the html for pic0
defined pic1 and pic2  methods and filled their html pages
add show in routes, controller and view
show page working
delete files that we don't need anymore
added new get and create post methods in routes
add new and create methods in the controller
add form in new.html.erb
add create method in controller
Refactoring new.htm.erb - use rails helpers
Refactoring new.htm.erb - use rails helpers - now it's working
Create db
Populating the seed file
refactoring index and linking with the model