As long as fontawesome provides their css cdn, you can import is easily by adding `@import url("https://use.fontawesome.com/releases/v5.9.0/css/all.css");`to the css-editor. after that you can add things like `<i class="fas fa-envelope"></i>` to the slides source code.
As long as fontawesome provides their css cdn, you can import is easily by adding `@import url("https://use.fontawesome.com/releases/v5.9.0/css/all.css");`to the css-editor. after that you can add things like `<i class="fas fa-envelope"></i>` to the slides source code.