https://bitbucket.org/Jerady/fontawesomefx/src/master/fontawesomefx/fontawesomefx-fontawesome/src/main/java/de/jensd/fx/glyphs/fontawesome/FontAwesomeIcon.java https://dev.to/devtony101/javafx-3-ways-of-passing-information-between-scenes-1bm8