[scripts] [safe-room] Enable custom triggers for player empaths

[vtcifer]

Optional enhancement.

# start_heal_action and done_healing_matches are optional, if missing old behavour is defaulted
safe_room_empaths:
  - name: Foo
    id: 1234
    start_heal_action: lean Foo
    done_healing_matches:
      - Foo whispers, \"All clean\"
      - Foo whispers, \"You have leaned on me with no wounds.\"
      - Foo nods to you.
  - name: Baz
    id: 4321
    start_heal_action: lean baz
    done_healing_matches:
      - Baz whispers, \"what the heck, come back when you are injured\"
      - Baz whispers, \"you are healed\"
      - Baz nods to you.
  - name: Alice
    id: 3333

[Kiriawen]

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