Task: Create an event file and send it as an email attachment

n8n workflow JSON:
{"nodes":[{"name":"On clicking 'execute'","type":"n8n-nodes-base.manualTrigger","position":[350,200],"parameters":{},"typeVersion":1},{"name":"iCalendar","type":"n8n-nodes-base.iCal","position":[550,200],"parameters":{"end":"2021-06-11T16:15:00.000Z","start":"2021-06-11T15:30:00.000Z","title":"n8n Community Meetup","additionalFields":{}},"typeVersion":1},{"name":"Send Email","type":"n8n-nodes-base.emailSend","position":[750,200],"parameters":{"text":"Hey Harshil,\n\nWe are excited to invite you to the n8n community meetup!\n\nWith this email you will find the invite attached.\n\nLooking forward to seeing you at the meetup!\n\nCheers,\nHarshil","options":{},"subject":"n8n Community Meetup 🚀","attachments":"data"},"credentials":{"smtp":"Outlook Burner Credentials"},"typeVersion":1}],"connections":{"iCalendar":{"main":[[{"node":"Send Email","type":"main","index":0}]]},"On clicking 'execute'":{"main":[[{"node":"iCalendar","type":"main","index":0}]]}}}