[Vanilla Enhancement] Customize whether warhead can prevent crew escape from techno

[NetsuNegi]

In rulesmd.ini:

[SOMEWARHEAD]                          ; WarheadType
PreventCrew=false                      ; boolean
KillPassengers=false                   ; boolean

[phoboscn-bot]

To Chinese users:
This pull request has been mentioned on Phobos CN. There might be relevant details there:

致中文用户：
此拉取请求已在 Phobos CN 上被提及。那里可能有相关详细信息：

https://www.phoboscn.top/t/topic/701/1

[github-actions]

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