Added Javadoc

src/main/java/skd/components/MainWindow.java

@@ -29,7 +29,14 @@ public class MainWindow extends AnchorPane {
     private Image userImage = new Image(this.getClass().getResourceAsStream("/images/DaUser.png"));
     private Image dukeImage = new Image(this.getClass().getResourceAsStream("/images/DaDuke.png"));
 
-    @SuppressWarnings("checkstyle:MissingJavadocMethod")
+    /**
+     * Initializes the main window by binding the scroll pane to automatically scroll to the latest message,
+     * displays a welcome message, and clears the user input field.
+     * This method binds the vertical value property of the scroll pane to the height of the dialog container,
+     * ensuring that the latest message is always visible. It also adds a welcome message to the dialog container
+     * and resets the user input field.
+     * This method is automatically called after the FXML file has been loaded.
+     */
     @FXML
     public void initialize() {
         scrollPane.vvalueProperty().bind(dialogContainer.heightProperty());