add sitemap content-type and update the chrome extension version

Author: SysSn13

chrome-extension/manifest.json

@@ -1,7 +1,7 @@
 {
   "manifest_version": 3,
   "name": "LC Predictor",
-  "version": "1.0.0",
+  "version": "1.0.1",
 
   "short_name": "LC Predictor",
   "background": {

controllers/sitemapController.js

@@ -49,6 +49,8 @@ const getURLsCollection = async () => {
 let sitemapXML;
 exports.get = async function (req, res) {
     res.header("Content-Encoding", "gzip");
+    res.set("Content-Type", "application/xml");
+
     // if we have a cached entry send it
     if (sitemapXML) {
         res.send(sitemapXML);