feat: Line Channel (#2904)

- Ability to configure line bots as a channel in chatwoot
- Receive a message sent to the line bot in chatwoot
- Ability to reply to line users from chatwoot

fixes: #2738

app/models/channel/twitter_profile.rb

@@ -16,13 +16,11 @@
 #
 
 class Channel::TwitterProfile < ApplicationRecord
+  include Channelable
+
   self.table_name = 'channel_twitter_profiles'
 
-  validates :account_id, presence: true
   validates :profile_id, uniqueness: { scope: :account_id }
-  belongs_to :account
-
-  has_one :inbox, as: :channel, dependent: :destroy
 
   before_destroy :unsubscribe
 
@@ -30,10 +28,6 @@ class Channel::TwitterProfile < ApplicationRecord
     'Twitter'
   end
 
-  def has_24_hour_messaging_window?
-    false
-  end
-
   def create_contact_inbox(profile_id, name, additional_attributes)
     ActiveRecord::Base.transaction do
       contact = inbox.account.contacts.create!(additional_attributes: additional_attributes, name: name)