V0 Important fixes

Fixed an issue where healing sometimes did not correctly add HP.

Added walls to interior laboratories to prevent errors in ship generation.

Limited the damage of some AOE attacks on bosses to avoid unintended massive damage.

Improved the drops from level bosses.

Slightly increased the health of all enemies to make the game more challenging.

Reduced the speed that monsters gain per level.

Added colliders to doors to prevent flying monsters from passing through them.

Fixed an error in ship generation that could cause dead-end hallways.

Increased the health of bosses per level.

Fixed procedural generation issues on the second floor that caused laboratories to appear inside other rooms.