Pasaeta de "include-what-you-use" per arreglar els includes

Renombrats alguns fitxers per consistencia

source/scoreboard.h

@@ -1,12 +1,15 @@
 #pragma once
 
-#include <SDL2/SDL.h>
-#include "asset.h"
-#include "screen.h"
-#include "sprite.h"
-#include "text.h"
-#include "utils.h"
-#include "lang.h"
+#include <SDL2/SDL_rect.h>    // for SDL_Point, SDL_Rect
+#include <SDL2/SDL_render.h>  // for SDL_Renderer, SDL_Texture
+#include <SDL2/SDL_stdinc.h>  // for Uint32
+#include <string>             // for string, basic_string
+#include <vector>             // for vector
+#include "utils.h"            // for color_t
+class Asset;
+class Sprite;
+class Text;
+class Texture;
 
 // Defines
 #define SCOREBOARD_LEFT_PANEL 0