added assets

TheGame/assets/objs/enterprise/USSEnterprise.mtl

+# Blender MTL File: 'USSEnterprise.blend'
+# Material Count: 1
+
+newmtl Material
+Ns 96.078431
+Ka 0.000000 0.000000 0.000000
+Kd 0.800000 0.800000 0.800000
+Ks 0.800000 0.800000 0.800000
+Ni 1.000000
+d 1.000000
+illum 2
+map_Kd /home/robin/Downloads/UV Maps/UV Textur.png
+map_Bump /home/robin/Downloads/UV Maps/NormalMap.png
+map_Ks /home/robin/Downloads/UV Maps/UV Textur.png

TheGame/renderwidget.cpp

 
     for (int i = 0; i < 1000; ++i) {
         UGEEntityCube* cube = new GameCube(_engine);
-        cube->setTextureId("test");
+        cube->setTextureId("rubiks");
 //        cube->rotate(Vector3D(0.0, 45.0, 45.0));
         cube->move(Vector3D(0, i, i));
 //        cube->setScale(Vector3D(1.0, 2.0, 1.0));
     }
 
     WaveFrontObj* wavefrontObj = new WaveFrontObj(this);
-    wavefrontObj->openFile("/home/robin/Downloads/enterprise/obj/USSEnterprise.obj");
+    wavefrontObj->openFile("./assets/objs/enterprise/USSEnterprise.obj");
     UGEEntityWaveFrontObj* obj = new UGEEntityWaveFrontObj(wavefrontObj, this);
     _engine->addEntity(obj);
     _entities.append(obj);
     _engine->setClearColor(Qt::gray);
     _engine->initialize(70, width(), height());
 
-    _engine->loadTextureFromFile("test", "/home/robin/Downloads/test.png");
+    _engine->loadTextureFromFile("rubiks", "./assets/textures/rubiks.png");
 }
 
 void RenderWidget::paintGL()