fixed by adding
```
[markup]
[markup.goldmark]
[markup.goldmark.renderer]
unsafe = true
```
otherwise hugo removes raw html (as the iframes) + links points to
concrete html files
fixed by adding
```
[markup]
[markup.goldmark]
[markup.goldmark.renderer]
unsafe = true
```
otherwise hugo removes raw html (as the iframes) + links points to
concrete html files