feat: added rerolling and dice clearing

src/dice_data.h

@@ -42,6 +42,7 @@ static inline size_t DieToIndex(Die die) {
 namespace active_dice {
 void Add(Die die);
 void Remove(size_t at);
+void Clear();
 Die Get(size_t at);
 uint8_t GetValue(size_t at);
 size_t Count();