Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/views/api/v1/models/_note.json.jbuilder

@@ -0,0 +1,11 @@
+json.id resource.id
+json.content resource.content
+json.account_id json.account_id
+json.contact_id json.contact_id
+if resource.user.present?
+  json.user do
+    json.partial! 'api/v1/models/agent', formats: [:json], resource: resource.user
+  end
+end
+json.created_at resource.created_at.to_i
+json.updated_at resource.updated_at.to_i