use devise instead auth0

app/models/admin_user.rb

@@ -19,8 +19,6 @@
 #  index_admin_users_on_reset_password_token  (reset_password_token) UNIQUE
 #
 class AdminUser < ApplicationRecord
-  # Include default devise modules. Others available are:
-  # :confirmable, :lockable, :timeoutable, :trackable and :omniauthable
   devise :database_authenticatable, :recoverable,
     :rememberable, :validatable
 end

app/models/user.rb

@@ -4,18 +4,26 @@
 #
 # Table name: users
 #
-#  id         :bigint           not null, primary key
-#  email      :string           not null
-#  first_name :string           not null
-#  last_name  :string           not null
-#  created_at :datetime         not null
-#  updated_at :datetime         not null
+#  id                     :bigint           not null, primary key
+#  email                  :string           default(""), not null
+#  encrypted_password     :string           default(""), not null
+#  first_name             :string           not null
+#  last_name              :string           not null
+#  remember_created_at    :datetime
+#  reset_password_sent_at :datetime
+#  reset_password_token   :string
+#  created_at             :datetime         not null
+#  updated_at             :datetime         not null
 #
 # Indexes
 #
-#  index_users_on_email  (email) UNIQUE
+#  index_users_on_email                 (email) UNIQUE
+#  index_users_on_reset_password_token  (reset_password_token) UNIQUE
 #
 class User < ApplicationRecord
+  devise :database_authenticatable, :registerable,
+    :recoverable, :rememberable, :validatable
+
   has_many :documents, class_name: "UserDocument", dependent: :destroy
 
   validates :first_name, :last_name, :email, presence: true