Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/controllers/concerns/google_concern.rb

@@ -0,0 +1,20 @@
+module GoogleConcern
+  extend ActiveSupport::Concern
+
+  def google_client
+    app_id = GlobalConfigService.load('GOOGLE_OAUTH_CLIENT_ID', nil)
+    app_secret = GlobalConfigService.load('GOOGLE_OAUTH_CLIENT_SECRET', nil)
+
+    ::OAuth2::Client.new(app_id, app_secret, {
+                           site: 'https://oauth2.googleapis.com',
+                           authorize_url: 'https://accounts.google.com/o/oauth2/auth',
+                           token_url: 'https://accounts.google.com/o/oauth2/token'
+                         })
+  end
+
+  private
+
+  def scope
+    'email profile https://mail.google.com/'
+  end
+end