fix random image index bug

Author: outofambit

src/components/PageHeader/HomePage.astro

@@ -47,7 +47,8 @@ const { config } = Astro.props;
     // find all hero image elements
     const images = document.querySelectorAll("img.hero-image");
     if (images.length > 1) {
-      const shownImageInd = Math.round(Math.random() * images.length);
+      const shownImageInd = Math.round(Math.random() * (images.length - 1));
+      console.log(shownImageInd);
       // hide the default one
       images[0].classList.add("hidden");
       // show a random one