Scrape business emails from Google Maps without the use of any third party APIs

Who is this template for? This workflow template is designed for sales, marketing, and business development professionals who want a cost-effective and efficient way to generate leads. By leveraging n8n core nodes, it scrapes business emails from Google Maps without relying on third-party APIs or paid services, ensuring there are no additional costs involved. Ideal for small business owners, freelancers, and agencies, this template automates the process of collecting contact information for targeted outreach, making it a powerful tool for anyone looking to scale their lead generation efforts without incurring extra expenses. You can watch the video tutorial here: https://youtu.be/HaiO-UeiKBA

Help me set up the n8n workflow "Scrape business emails from Google Maps without the use of any third party APIs" (https://n8n.io/workflows/2567). It uses: Google Sheets, HTTP Request, Code. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.