Addition of unfinished ``PlayerDamageKeeper``and new Macro for Nerve Functions

[Trippixyz]

PlayerDamageKeeper:

• Adds 3 function declarations: activatePreventDamage, dead and damage.

NerveSetupUtil:

• New Macro to better define so called "Actions" (Nerve Functions) for both the definition and declaration.

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This change is 

[MonsterDruide1]

Bumping this, you'd only need to remove the PR workflow stuff again and rebase to hopefully get everything sorted!