Add link to initialisation

Author: JimMadge

index.html

@@ -230,6 +230,9 @@ <h3>Highlight 2</h3>
                 <section>
                     <h2>Activity <i class="fa-solid fa-gear fa-spin" style="--fa-animation-duration: 5s;"></i></h2>
                     <h2>Initialize a Jupyter Book</h2>
+                    <a href="https://freekpols.github.io/JB2_book_template/advanced-start/#initialise-a-project">freekpols.github.io/JB2_book_template/advanced-start/#initialise-a-project</a>
+                    </br>
+                    <img class="r-stretch" alt="A QR code linking to …" src="static/jb2_init.svg">
                 </section>
                 <!-- DOING: Adding static content -->
                 <section>