There is no accepted Markdown standard or specification for setting up links to open up in a new tab, forcing different platforms to come up with their own implementations.
Your next best bet is to use the HTML anchor tag ie: <a href="#">Open in new tab</a>
The goal of this small script is to allow you use the standard []() syntax for your links and still enable your users to open them in a new tab.
In other to use the external link opener you will have to append your URL to the end of external.ink?to= eg: external.ink?to=yourlink.com, this will redirect the user to the link opener page whenever they click it and from there your provided link will open up in a new tab.
