Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/views/api/v1/accounts/search/index.json.jbuilder

@@ -0,0 +1,22 @@
+json.payload do
+  json.conversations do
+    json.array! @result[:conversations] do |conversation|
+      json.partial! 'conversation_search_result', formats: [:json], conversation: conversation
+    end
+  end
+  json.contacts do
+    json.array! @result[:contacts] do |contact|
+      json.partial! 'contact', formats: [:json], contact: contact
+    end
+  end
+  json.messages do
+    json.array! @result[:messages] do |message|
+      json.partial! 'message', formats: [:json], message: message
+    end
+  end
+  json.articles do
+    json.array! @result[:articles] do |article|
+      json.partial! 'article', formats: [:json], article: article
+    end
+  end
+end