Added Line Awesome to icon-sets page. (quasarframework#6219)

Author: tohagan

docs/src/pages/options/quasar-icon-sets.md

@@ -10,7 +10,7 @@ Quasar components have their own icons. Rather than forcing you into using one i
 
 You can install multiple icon libraries, but you must choose only one to use on Quasar's components.
 
-Quasar currently supports: [Material Icons](https://material.io/icons/) , [Font Awesome](http://fontawesome.io/icons/), [Ionicons](http://ionicons.com/), [MDI](https://materialdesignicons.com/), [Eva Icons](https://akveo.github.io/eva-icons), and [Themify Icons](https://themify.me/themify-icons).
+Quasar currently supports: [Material Icons](https://material.io/icons/), [Font Awesome](http://fontawesome.io/icons/), [Line Awesome](https://icons8.com/line-awesome), [Ionicons](http://ionicons.com/), [MDI](https://materialdesignicons.com/), [Eva Icons](https://akveo.github.io/eva-icons), and [Themify Icons](https://themify.me/themify-icons).
 
 It is also possible to use your own icons (as custom svgs or as images in any format) with any Quasar component, see the [QIcon](/vue-components/icon#Image-icons) page for more info on this.