chore: renamed utils to Utils

src/common/Utils.cpp

@@ -4,7 +4,7 @@
  * @author Yuzhe Guo
  * @date 2025.11.15
  */
-#include "utils.h"
+#include "Utils.h"
 
 namespace UNO::COMMON {
     Random::Random() : rd_(), gen_(rd_()) {}

src/game/CardTile.cpp

@@ -8,7 +8,7 @@
 #include <algorithm>
 #include <random>
 
-#include "../common/utils.h"
+#include "../common/Utils.h"
 
 namespace UNO::GAME {
     CardTile::CardTile() = default;