[Enhancement] Game Over screen rework (#548)

* WIP

* getting somewhere

* clean up everything real good

* doc

* clang format

* Fix round.c after merge

* Remove extra deck_pop declaration

* Remove unnecessary comment

* address MeirGavish's review

---------

Co-authored-by: MathisMartin31 <mathis.martin31@gmail.com>

include/game_variables.h

@@ -7,6 +7,7 @@
 #define GAME_VARIABLES_H
 
 #include "blind.h"
+#include "hand.h"
 #include "random.h"
 
 #include <tonc.h>
@@ -49,6 +50,9 @@ typedef struct
     s32 hand_size;
     s32 deck;
 
+    u32 best_hand_score;
+    u32 nb_played_hands[HAND_TYPE_MAX];
+
     // Blind variables
 
     enum BlindType current_blind;