Added ability to open, close and render fonts

include/Renderer.h

@@ -3,6 +3,7 @@
 
 #include "SDL.h"
 #include "SDL_render.h"
+#include "SDL_surface.h"
 #include "SDL_video.h"
 #include <stdbool.h>
 
@@ -16,6 +17,8 @@ Renderer *create_renderer();
 bool init_renderer(Renderer *renderer, SDL_Window *window);
 SDL_Texture *load_texture(const Renderer *renderer, const char *path);
 void render_clear(const Renderer *renderer, SDL_Color color);
+void render_surface(const Renderer *renderer, SDL_Surface *surface, float x,
+                    float y, float w, float h);
 void render_texture(const Renderer *renderer, SDL_Texture *texture, float x,
                     float y, float w, float h);
 void swap_buffers(const Renderer *renderer);