News: PlaceholderAPI Integration

• Successfully integrated PlaceholderAPI into reward commands to use placeholders like %math%, %formatter%, etc.
• Added a papi extension so that placeholders can be used in other plugins.

%quantumrewards_day% — Returns the current day number of the reward cycle.

%quantumrewards_time% — Shows the remaining time until the reward can be claimed, or 00h 00m 00s if ready.

%quantumrewards_expires% — Shows time remaining until the reward expires, or 00h 00m 00s if it doesn't expire or is day 1.

%quantumrewards_status% — Returns the status of the reward: "available", "waiting", or "expired".

%quantumrewards_next_day% — Returns the next day number after the current one (cycling 1 to 7).

%quantumrewards_total_claimed% — Returns the total number of claimed rewards by the player.

Changes:

• Added messages to dynamically identify reward statuses in the rewards-status GUI
• {day} was changed to %day%
  
• Added %status% to display the current status of the reward

Note: I recommend reinstalling the plugin to get the new settings.