[Duels Extension] Gui + Leaderboards

Overview
This addon enhances the Duels plugin by replacing traditional command-driven interactions with a modern, intuitive graphical interface. Players can browse online opponents, view ratings and win/loss statistics, and send duel requests directly through the Duel GUI. Pagination and filtering allow smooth navigation even on busy servers.

A separate kit-selection interface provides access to kit-specific leaderboards. Each leaderboard is generated from individually tracked statistics, ensuring accurate and fair comparisons between players who specialize in different duel kits.

The addon integrates with PlaceholderAPI through its own expansion, allowing duel-related information—such as player rating and win/loss ratio—to be displayed in scoreboards, chat formats, or any other PlaceholderAPI-compatible plugin. All messages and GUI text can be fully customized through the included language file, making it easy to adapt the addon to any server’s style or language.


Commands
Opens the main Duel GUI for selecting and challenging players.

Opens the kit-selection menu and displays the corresponding leaderboard.

Reloads configuration and language files.


PlaceholderAPI Placeholders
Below is a full list of placeholders provided by the addon. All values are resolved using player data stored in the playerdata directory. If a requested rank exceeds the number of stored players, the placeholder will return null.

Displays the rating of the player at the specified leaderboard position.
Example: %duels_rating_1% shows the rating of the #1 player.

Displays the name of the player at the specified leaderboard position.
Example: %duels_name_1% shows the name of the #1 player.

Displays the win/loss ratio of the player at the specified leaderboard position.
Example: %duels_wlr_1% shows the W/L ratio of the top-ranked player.

Displays the win/loss ratio of the player using the placeholder.


Configuration Information
The default configuration file includes full documentation for all placeholders and is prepared for future expansion. All language strings can be modified in the eng.yml file to suit your server’s needs.


If you want, I can also create:
• A polished banner image
• A formatted features section
• A download tab description
• Screenshots with labeled descriptions
• A permissions list or setup instructions