Adding PhonePhreak Puzzle

- Import 10 new MP3 sound files for puzzle audio feedback
- Implement PhonePhreak puzzle scene and game logic script

assets/sounds/6.mp3.import

@@ -0,0 +1,19 @@
+[remap]
+
+importer="mp3"
+type="AudioStreamMP3"
+uid="uid://37eyd54u7ygg"
+path="res://.godot/imported/6.mp3-39861cd13677b3630721352de1304cde.mp3str"
+
+[deps]
+
+source_file="res://assets/sounds/6.mp3"
+dest_files=["res://.godot/imported/6.mp3-39861cd13677b3630721352de1304cde.mp3str"]
+
+[params]
+
+loop=false
+loop_offset=0
+bpm=0
+beat_count=0
+bar_beats=4