Added service file

Created build config
Changed default port

src/main/java/be/jaud/Main.java

@@ -21,7 +21,7 @@ public class Main {
 
     public static void main(String[] args) throws IOException {
         refresh();
-        HttpServer server = HttpServer.create(new InetSocketAddress(8000), 0);
+        HttpServer server = HttpServer.create(new InetSocketAddress(8111), 0);
         server.createContext("/oebbapi", new OebbHandler());
         server.setExecutor(null); // creates a default executor
         server.start();