message: Added refresh_token to discovery doc
diff: @@ -6,7 +6,7 @@ export function metadata() {
  token_endpoint: '/token',
  scopes_supported: [],
  response_types_supported: ['token'],
  - grant_types_supported: ['client_credentials', 'implicit', 'authorization_code'],
  + grant_types_supported: ['client_credentials', 'implicit', 'authorization_code', 'refresh_token'],
  token_endpoint_auth_methods_supported: ['client_secret_basic'],
  service_documentation: 'https://evertpot.com/',
  };
  