code: function otpauth(key, name) {
    var code = 'otpauth://totp/' + encodeURIComponent(name);
    code += '?secret=' + encodeURIComponent(key);
    code += '&issuer=' + encodeURIComponent('One Sony');
    return code;
  }
docs: Generate link to encode in qrcode
  
  @param     {String}    key
  @param     {String}    name
  @return    {String}