Added UseTask (main) program

src/tp03/UseTask.java

+package tp03.ex02;
+
+import java.time.LocalDate;
+
+import tp03.ex02.TaskStatus;
+
+public class UseTask {
+
+	public static void main (String[] args) {
+		Task t1 = new Task("Finir exo1", 1);
+		Task t2 = new Task("Finir exo2", LocalDate.of(2025, 02, 01), LocalDate.of(2025, 03, 01), 2);
+
+		System.out.println(t1);
+		System.out.println(t2);
+
+		t1.changeStatus();
+		t2.changeStatus(TaskStatus.FINISHED);
+
+		System.out.println(t1);
+		System.out.println(t2);
+
+		
+	}
+
+}
\ No newline at end of file