Add slime world support for per player worlds

Move package to dev.plex.extras to prevent any possible conflicts with main plugin

src/main/java/dev/plex/extras/command/AdminInfoCommand.java

@@ -0,0 +1,34 @@
+package dev.plex.extras.command;
+
+import dev.plex.extras.TFMExtras;
+import dev.plex.command.PlexCommand;
+import dev.plex.command.annotation.CommandParameters;
+import dev.plex.command.annotation.CommandPermissions;
+import dev.plex.rank.enums.Rank;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.minimessage.MiniMessage;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.List;
+
+@CommandParameters(name = "admininfo", description = "Information on how to apply for admin", aliases = "ai,si,staffinfo")
+@CommandPermissions(level = Rank.OP, permission = "plex.tfmextras.admininfo")
+public class AdminInfoCommand extends PlexCommand
+{
+    private static final List<Component> ADMIN_INFO = TFMExtras.getModule().getConfig().getStringList("server.admininfo")
+            .stream().map(info -> MiniMessage.miniMessage().deserialize(info)).toList();
+
+    @Override
+    protected Component execute(@NotNull CommandSender sender, @Nullable Player player, @NotNull String[] args)
+    {
+        if (ADMIN_INFO.isEmpty())
+        {
+            return messageComponent("emptyAdminInfo");
+        }
+        ADMIN_INFO.forEach(component -> send(sender, component));
+        return null;
+    }
+}