doc: add documentation for startGameBySDL function

Author: hozlucas28

src/sdl/methods.h

@@ -3,7 +3,15 @@
 
 #include "../../libs/main.h"
 
-// TODO: Documentation
+/**
+ * @brief Starts a Conway's Game of Life game using the SDL library for display.
+ *
+ * @param pGame Pointer to a Conway's Game of Life structure.
+ * @param maxGeneration Maximum number of generations.
+ * @param delayBetweenGenerations Delay in milliseconds between each generation.
+ *
+ * @warning This function assumes that `pGame` has been properly initialized.
+ */
 int startGameBySDL(TGame* pGame, int maxGeneration, int delayBetweenGenerations);
 
 #endif  // SDL_METHODS_H_INCLUDED