update README.md with metadata request
update README.md with metadata request

braintree/hermann,reiseburo/hermann,lookout/hermann,zendesk/Hermann,reiseburo/hermann,lookout/hermann,zendesk/Hermann,rtyler/Hermann,braintree/hermann,rtyler/Hermann,reiseburo/hermann,rtyler/Hermann,lookout/hermann,zendesk/Hermann,braintree/hermann