feat: add email domains (#1895)

Implemented Email Domains which allows Platform/Enterprise customers to
send emails to recipients using their custom emails.

apps/remix/app/components/general/document/document-upload.tsx

@@ -78,7 +78,7 @@ export const DocumentUploadDropzone = ({ className }: DocumentUploadDropzoneProp
       const { id } = await createDocument({
         title: file.name,
         documentDataId: response.id,
-        timezone: userTimezone,
+        timezone: userTimezone, // Note: When migrating to v2 document upload remember to pass this through as a 'userTimezone' field.
         folderId: folderId ?? undefined,
       });