neteja tidy a source/game (fixes d'arrel: BulletKind enum class, signatures, branches)

source/game/scenes/instructions.h

@@ -2,13 +2,14 @@
 
 #include <SDL3/SDL.h>
 
-#include <vector>  // for vector
+#include <cstdint>  // for uint8_t
+#include <vector>   // for vector
 class Sprite;
 class Text;
 class Texture;
 struct section_t;
 
-enum mode_e {
+enum mode_e : std::uint8_t {
     m_manual,
     m_auto
 };