Bank Transaction Categorizer & Budget Tracker

## Setup Instructions
1. **Bank API**: Configure the `Fetch Transactions` node with your bank's API endpoint and add your API Key in credentials.
2. **Google Sheets**: Create a sheet with columns: Date, Description, Amount, Category. Connect your Google account.
3. **Slack**: Add your Slack Token to receive alerts for high spending (> $500) and error notifications.
4. **Categories**: Adjust the `Is Transport?` and `Is Food?` IF-nodes to match your transaction descriptions.