GroundZero Resource Pack v39 - Audio System

Added Port Haven announcer audio:
- groundzero:porthaven.announcer_line_1
- groundzero:porthaven.announcer_line_2
- groundzero:porthaven.announcer_line_3
- groundzero:porthaven.announcer_line_4
- groundzero:porthaven.announcer_line_5

These are used by GroundZeroCore V12.7.1 audio system.

Important:
- The resource pack must be downloaded/loaded by the client.
- The server only triggers the sound using playsound.
- If a player does not have this updated resource pack, they will hear nothing.
