created user model

app/models/article.rb

@@ -1,6 +1,7 @@
 class Article < ApplicationRecord
   include Visible
   
+  belongs_to: :user
   has_many :comments, dependent: :destroy
 
   validates :title, presence: true

app/models/user.rb

@@ -1,3 +1,5 @@
 class User < ApplicationRecord
+  has_many :articles, dependent: :destroy
+  
   has_secure_password
 end