Add inline and watch helper scripts

tutorials/device-dashboard/web_root/index.html

@@ -282,7 +282,7 @@
                   </div>
                   <div class="file-size">${f.size}</div>
                   <div class="file-actions">
-                    <a onclick="window.open('files/${encodeURIComponent(f.name)}', '_blank')" target="_blank" class="btn btn-secondary">
+                    <a href="files/${encodeURIComponent(f.name)}" target="_blank" class="btn btn-secondary">
                       <svg viewBox="0 0 24 24" class="nav-icon" fill="none" stroke="currentColor" stroke-width="2">
                         <path d="M12 3v12" />
                         <path d="m7 10 5 5 5-5" />