Added new placeholders for dynamic player information:
* {player_uuid_short} – First segment of the player's UUID (e.g., "550e8400")
* {player_displayname} – Player's display name, including nickname formatting
* {player_ip} – Player's IP address (e.g., "192.168.1.5"), or "unknown" if unavailable
* {player_gamemode} – Current game mode (e.g., "SURVIVAL", "CREATIVE")
* {player_world} – Name of the world the player is in (e.g., "world", "nether")
* {player_location} – Player's coordinates in the format "X: x, Y: y, Z: z"
* {player_health} – Current health value (e.g., "20.0")
* {player_max_health} – Maximum health value (e.g., "20.0")
* {player_food_level} – Current food level (range 0–20)
* {player_exp_level} – Player's experience level (integer)