[Added] Optional support for PlaceholderAPI (PAPI) with safe injection
[Added] New placeholders: %hrdatools_chat_muted%, %hrdatools_is_frozen%, %hrdatools_is_vanished%, %hrdatools_is_invincible%

[Fix] Lightning and death-sound were not working when proximity was set to false.

[Improved] Refactored proximity and death events by completely separating death effects from chat proximity logic