Hello all ,
Tried like this too
[Flipbook Demo] : (https://flipbookdemo.netlify.app)
<!---FLIPBOOK EX 1-->
<iframe style="margin:0 auto; border: solid black;" width="763" height="432"
src= "https://github.com/tataphani/MINIFLIP/blob/main/across_microflip_1.html" scrolling="no" allowfullscreen loading="lazy" data-external = "1">
</iframe>
knitr::include_url("https://tataphani.github.io/MINIFLIP/#1")
still not working