added auction list to admin panel

app/models/ability.rb

@@ -95,6 +95,7 @@ class Ability
     can :manage, User
     can :manage, ApiUser
     can :manage, AdminUser
+    can :manage, Auction
     can :manage, Certificate
     can :manage, LegalDocument
     can :manage, BankStatement

app/models/auction.rb

@@ -12,8 +12,13 @@ class Auction < ApplicationRecord
   PENDING_STATUSES = [statuses[:started],
                       statuses[:awaiting_payment],
                       statuses[:payment_received]].freeze
+
   private_constant :PENDING_STATUSES
 
+  scope :with_status, -> (status) {
+    where(status: status) if status.present?
+  }
+
   def self.pending(domain_name)
     find_by(domain: domain_name.to_s, status: PENDING_STATUSES)
   end