scrap also link tags with rel='alternate'

Author: Ilan Bar-Magen

src/puppeteer_utils.js

@@ -108,7 +108,7 @@ const enableLogging = opt => {
 const getLinks = async opt => {
   const { page } = opt;
   const anchors = await page.evaluate(() =>
-    Array.from(document.querySelectorAll("a")).map(anchor => {
+    Array.from(document.querySelectorAll("a,link[rel='alternate']")).map(anchor => {
       if (anchor.href.baseVal) {
         const a = document.createElement("a");
         a.href = anchor.href.baseVal;