// Google Apps Script (Code.gs)
function doPost(e) {
  const d = JSON.parse(e.postData.contents);
  const sh = SpreadsheetApp
    .openById(SHEET_ID)
    .getSheetByName('Scores');
  sh.appendRow([new Date(),d.name,
    d.score,d.accuracy,d.type,d.time]);
  return ContentService
    .createTextOutput(JSON.stringify({ok:true}))
    .setMimeType(ContentService.MimeType.JSON);
}