Update sample_settings.json with new mailchimp schema properties
Update sample_settings.json with new mailchimp schema properties

Discordius/Lesswrong2,Discordius/Telescope,Discordius/Telescope,Discordius/Lesswrong2,Discordius/Telescope,Discordius/Telescope,Discordius/Lesswrong2,Discordius/Lesswrong2