Feature: Introduce bots (#545)

Co-authored-by: Pranav Raj S <pranavrajs@gmail.com>
Co-authored-by: Sojan Jose <sojan@pepalo.com>

app/models/agent_bot.rb

@@ -0,0 +1,19 @@
+# == Schema Information
+#
+# Table name: agent_bots
+#
+#  id           :bigint           not null, primary key
+#  auth_token   :string
+#  description  :string
+#  name         :string
+#  outgoing_url :string
+#  created_at   :datetime         not null
+#  updated_at   :datetime         not null
+#
+
+class AgentBot < ApplicationRecord
+  include Avatarable
+  has_many :agent_bot_inboxes, dependent: :destroy
+  has_many :inboxes, through: :agent_bot_inboxes
+  has_secure_token :auth_token
+end