Restructure omni services and add Chatwoot research snapshot

research/chatwoot/spec/factories/channel/channel_api.rb

@@ -0,0 +1,9 @@
+FactoryBot.define do
+  factory :channel_api, class: 'Channel::Api' do
+    webhook_url { 'http://example.com' }
+    account
+    after(:create) do |channel_api|
+      create(:inbox, channel: channel_api, account: channel_api.account)
+    end
+  end
+end