Refactor/round end (#479)

* Initial round_end extraction

* move hands to game vars

* Checkpoint

* Finish removing all variables for state fns

* Move over round_end substate functions

* Move over round_end with compile

* working in general

* Fix round start state issue

* clang-format

* Fix clang format issue

* PR fixes and standardize types in game vars struct

* Clang-format

include/game.h

@@ -192,5 +192,8 @@ void display_round(void);
 void reset_top_left_panel_bottom_row(void);
 
 void reset_background(void);
+void display_hands(void);
+void display_discards(void);
+void display_score(u32 value);
 
 #endif // GAME_H