Added ability to draw a non-filled rectangle

src/Renderer.c

@@ -49,6 +49,15 @@ void render_clear(const Renderer *renderer, SDL_Color color) {
   SDL_RenderClear(renderer->SDL_base_renderer);
 }
 
+void draw_rect(const Renderer *renderer, SDL_Color color, float x, float y,
+               float w, float h) {
+  SDL_FRect dest = {x, y, w, h};
+
+  SDL_SetRenderDrawColor(renderer->SDL_base_renderer, color.r, color.g, color.b,
+                         color.a);
+  SDL_RenderDrawRectF(renderer->SDL_base_renderer, &dest);
+}
+
 void fill_rect(const Renderer *renderer, SDL_Color color, float x, float y,
                float w, float h) {
   SDL_FRect dest = {x, y, w, h};