🔊 feat(audio-manager.js): reset the playback position of the jump sou…

…nd to the beginning before playing it

The change was made to ensure that the jump sound always starts playing from the beginning, regardless of its previous playback position. This improves the user experience by providing consistent audio feedback for jumps.

src/audio-manager.js

@@ -42,6 +42,7 @@ class AudioManager {
 
   playJumpSound() {
     if (this.isMuted) return;
+    this.jumpSound.currentTime = 0; // 재생 위치를 처음으로 설정
     this.jumpSound.play();
   }