function doGet() {
return HtmlService.createTemplateFromFile('index')
.evaluate()
.setTitle('Examblog')
.addMetaTag('viewport', 'width=device-width, initial-scale=1')
.setXFrameOptionsMode(HtmlService.XFrameOptionsMode.ALLOWALL)
}
<?!= HtmlService.createHtmlOutputFromFile('css').getContent() ?>