added basic GDX project to this project

core/src/netwerkprog/game/MainGame.java

@@ -0,0 +1,33 @@
+package netwerkprog.game;
+
+import com.badlogic.gdx.ApplicationAdapter;
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.graphics.GL20;
+import com.badlogic.gdx.graphics.Texture;
+import com.badlogic.gdx.graphics.g2d.SpriteBatch;
+
+public class MainGame extends ApplicationAdapter {
+	SpriteBatch batch;
+	Texture img;
+	
+	@Override
+	public void create () {
+		batch = new SpriteBatch();
+		img = new Texture("badlogic.jpg");
+	}
+
+	@Override
+	public void render () {
+		Gdx.gl.glClearColor(1, 0, 0, 1);
+		Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
+		batch.begin();
+		batch.draw(img, 0, 0);
+		batch.end();
+	}
+	
+	@Override
+	public void dispose () {
+		batch.dispose();
+		img.dispose();
+	}
+}