`content` doesn't render HTML, renders text instead

[hirasso]

Bug description

When using tippy's content option like this:

tippy(el, {
    content: 'look at me, <strong>I'm strong</strong>'
});

Tippy will render the HTML string as a string instead of HTML:

Reproduction

CodePen link: https://codepen.io/atomiks/pen/yvwQyZ

[hirasso]

Damnit, I was browsing the old docs 😄 ...allowHTML: true did the trick.