updated gradle config with shadow for jar

build.gradle

settings.gradle

src/main/java/firefighter/app/SimulatorApplication.java

src/main/java/firefighter/app/SimulatorMain.java

src/main/java/firefighter/controller/Controller.java

...in/java/firefighter/controller/PersistentToggleGroup.java

src/main/java/firefighter/model/Board.java

src/main/java/firefighter/model/FirefighterBoard.java

src/main/java/firefighter/model/ModelElement.java

src/main/java/firefighter/model/Position.java

src/main/java/firefighter/view/FirefighterGrid.java

src/main/java/firefighter/view/Grid.java

src/main/java/firefighter/view/ViewElement.java

src/main/java/module-info.java

src/main/resources/firefighter/view/DarkTheme.css

src/main/resources/firefighter/view/view.fxml