<%- @qr = RQRCode::QRCode.new(@instance.provisioning_uri("#{Trestle.config.site_title} (#{@instance.email})"), size: 10, level: :h) %>

Scan with Google Authenticator

<%= @qr.as_svg( offset: 0, color: '000', shape_rendering: 'crispEdges', module_size: 4, standalone: true ).html_safe %> <%= @instance.otp_secret_key %>