Create MarketingAPISample
Create MarketingAPISample

initial commit
socketlabs/email-on-demand-examples,socketlabs/email-on-demand-examples,socketlabs/email-on-demand-examples,socketlabs/email-on-demand-examples,socketlabs/email-on-demand-examples,socketlabs/email-on-demand-examples,socketlabs/email-on-demand-examples,socketlabs/email-on-demand-examples