AI-Powered Proposal Automation Using Google Slides

When you fill out the form with business challenges and requirements GPT-4 analyzes the input and generates a customized proposal using your template System automatically creates a Google Slides presentation with personalized content Professional proposal email is sent directly to the prospect with the presentation link Set up steps Estimated time: 15-20 minutes Connect your OpenAI API key for GPT-4 access Link your Google account for Slides and Gmail integration Create your proposal template in Google Slides with placeholder variables Customize the AI prompt and email template with your branding Test with sample data and activate the workflow

Help me set up the n8n workflow "AI-Powered Proposal Automation Using Google Slides" (https://n8n.io/workflows/5082). It uses: Google Drive, Gmail, Google Slides, OpenAI. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.