stock images description properties file

src/main/java/de/jottyfan/camporganizer/Main.java

@@ -20,7 +20,7 @@ import org.springframework.web.bind.annotation.RestController;
 @RestController
 public class Main extends SpringBootServletInitializer {
 
-	private static final Logger LOGGER = LogManager.getLogger(Main.class);
+	public static final Logger LOGGER = LogManager.getLogger(Main.class);
 
 	@Override
 	protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {