Restructure omni services and add Chatwoot research snapshot

research/chatwoot/db/migrate/20231223040257_create_applied_slas.rb

@@ -0,0 +1,13 @@
+class CreateAppliedSlas < ActiveRecord::Migration[7.0]
+  def change
+    create_table :applied_slas do |t|
+      t.references :account, null: false
+      t.references :sla_policy, null: false
+      t.references :conversation, null: false
+
+      t.string :sla_status
+
+      t.timestamps
+    end
+  end
+end