Add script to check incoming branch for 404s per #1726

.github/scripts/check-for-404s.js

@@ -0,0 +1,34 @@
+
+import Sitemapper from 'sitemapper';
+import http from 'http';
+
+
+// https://github.com/seantomburke/sitemapper
+const sitemapper = new Sitemapper();
+const testUrl = 'http://localhost:1313'
+sitemapper.timeout = 1000;
+
+sitemapper
+    .fetch('https://docs.communityhealthtoolkit.org/sitemap.xml')
+    .then(({ url, sites }) => {
+        // console.log(`url:${url}`, 'sites:', sites);
+        sites.forEach((docUrl) => {
+            docUrl = testUrl + docUrl.replace(
+                'https://docs.communityhealthtoolkit.org',
+                ''
+            );
+            http.get(docUrl, res => {
+                let data = [];
+                const headerDate = res.headers && res.headers.date ? res.headers.date : 'no response date';
+                console.log('URL:', docUrl, 'Status Code:', res.statusCode);
+            }).on('error', err => {
+                console.log('Error: ', err.message);
+            });
+        });
+        console.log(`url:${url}`);
+
+    })
+    .catch((error) => console.log(error));
+
+
+