Merge pull request 'Dodanie funkcji wyświetlenia do main' (#1) from AdminSide into main

Reviewed-on: #1

src/main/java/com/example/demo/DemoApplication.java

@@ -10,6 +10,7 @@ public class DemoApplication {
 		System.out.println("Start application");
 		System.out.println("Second comm");
 		System.out.println(new Date());
+		System.out.println("Hello i'm Administrator");
 		SpringApplication.run(DemoApplication.class, args);
 	}