Any way to "Add Link" to text within KM?

I'm not sure if this is the macro that @jdevaud is referring to, but the below macro will create a rich text hyperlink from any web page, using either the selected text or the page title as text of the hyperlink, and the page URL as the URL. You could easily change this macro to prompt you for the text and/or URL.

###Macro: Set Clipboard to RTF Hyperlink & Plain Text MD Link