Sync Marketo new leads with Salesforce Leads_instructions.md

To refer to these instructions while editing the flow, open the github page (opens in a new window).

1. Click Create flow to start using the template.
2. Connect to your Marketo account. You need to configure a Marketo webhook for this flow to execute.
3. Connect to your Salesforce account.
4. To start the flow, in the banner click Start flow.