fix: Manage Twilio SMS channel via inbox API (#11457)

- Currently Chatwoot manages Twilio Inbox creation in a separate
controller , We want to move this to inboxes api so that we have a
unified API for inbox related changes

---------

Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>

app/controllers/api/v1/accounts/channels/twilio_channels_controller.rb

@@ -1,3 +1,6 @@
+# TODO : Move this to inboxes controller and deprecate this controller
+# No need to retain this controller as we could handle everything centrally in inboxes controller
+
 class Api::V1::Accounts::Channels::TwilioChannelsController < Api::V1::Accounts::BaseController
   before_action :authorize_request