add 'new project' link to index view
add new action to projects controller
add new view
insert form for new project (only name)
add instance variable
add create action to projects controller
write create action
add project_params
redirec_to with notice if save
render new action if not
add show action to projects controller
add show view
add instance variable ( Project.find(params[:id]) )
add link back to projects index
convert list of projects in index view to links