changed settings class to display class just naming

src/engine/display.h

@@ -0,0 +1,10 @@
+#ifndef DISPLAY_H
+#define DISPLAY_H
+
+typedef struct {
+    int width;
+    int height;
+    const char* name;
+} Display;
+
+#endif // DISPLAY_H

src/engine/settings.h

@@ -1,10 +0,0 @@
-#ifndef SETTINGS_H
-#define SETTINGS_H
-
-typedef struct {
-    int screenWidth;
-    int screenHeight;
-    const char* name;
-} Settings;
-
-#endif // SETTINGS_H