[UI][CHG] Minor tweaking

- Change default window size (bigger)

FinalProject/main.cpp

@@ -14,7 +14,7 @@ int main(int argc, char *argv[])
 
     MainWindow w;
     w.setMouseTracking(true);
-    w.resize(900, 600);
+    w.resize(1250, 750);
     w.show();
 
     return a.exec();

FinalProject/sceneviewer.cpp

@@ -104,7 +104,7 @@ void SceneViewer::initializeGL() {
     _objects.push_back(backpack2);
     // Test Code End
     
-    _camera.setPosition(glm::vec3(0.0f, 0.0f, 5.0f));
+    _camera.setPosition(glm::vec3(0.0f, 0.0f, 10.0f));
 }
 
 void SceneViewer::resizeGL(int w, int h) {