REST Resource article add
Add articles controller
Fix route controller_name :article to :articles
add articles#new method
Create view articles#new
Add Forms to articles#index
Modify form action path to /articles
Add controller method articles#create
Add render
Generate Article Model
Migrate Articles
Modify articles#create -> save to Article Model
Add parameter permit function
Add method articles#show
Add view article/show
Create view at articles/index
Fix typo END to end
Add controller function articles#index
Add link features
Add Validation features