Send daily currency exchange rate updates via CurrencyFreaks API and Gmail

Daily Currency Update Workflow (n8n)

- Trigger: ScheduleTrigger node (configurable interval) - Set Variables: API Key, Preferred Currencies (PKR, GBP, EUR, USD, BDT, INR) - HTTP Request: Fetch latest exchange rates from CurrencyFreaks API - Set Recipient Email - Set Email Subject - Send Email: HTML formatted via Gmail OAuth2 with dynamic rate data (date, base currency, rates) - Flow: ScheduleTrigger → Set API Key & Currencies → HTTP Request → Set Recipient → Set Subject → Gmail Send