Add common logic for achievements, global stats, session management, settings, and sound in quizzes

src/quizLogic/quizAchievements.js

@@ -0,0 +1,9 @@
+// quizAchievements.js
+// Common achievement logic for all quizzes
+
+export function updateAchievementCount(achievementsComponent) {
+    if (achievementsComponent) {
+        return achievementsComponent.getAchievementCount();
+    }
+    return { unlocked: 0, total: 0 };
+}