Added some fire extinguishers, forgot to add one, silly me haha...

First publish of Hullbreaker submarine.

Utilities installed:
> Single decoy and depth charge launcher
Initial payload: 3x decoys, 3x depth charges

> Carpet depth charge launcher
Launch 4 depth charges in sequence
Initial payload: 3x carpet depth charge

> Carpet nuclear depth charge launcher
Launch 4 nuclear depth charges in sequence
The button is on top of the navigation terminal and it's captain-only
Initial payload: 1x carpet nuclear depth charges

> Backup battery system, but needs to be recharged manually

> Restriction to the following rooms: [Have Been Removed in the Latest Update]
- Command room: Captain and Medic only
- Medbay: Captain, Medic, and Security only

> Exterior and weapon light switch (for stealth purpose)