Add a reload command

src/main/java/re/imc/geysermodelengine/commands/ReloadCommand.java

@@ -0,0 +1,31 @@
+package re.imc.geysermodelengine.commands;
+
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import re.imc.geysermodelengine.GeyserModelEngine;
+
+public class ReloadCommand implements CommandExecutor {
+
+    private final GeyserModelEngine plugin;
+
+    public ReloadCommand(GeyserModelEngine plugin) {
+        this.plugin = plugin;
+    }
+
+    @Override
+    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
+
+        if (sender instanceof Player && !sender.hasPermission("geysermodelengine.reload")) {
+            sender.sendMessage("§cYou don't have permission to use this command.");
+            return true;
+        }
+
+        plugin.reloadConfig();
+        plugin.onEnable();
+
+        sender.sendMessage("§aGeyserModelEngine configuration reloaded!");
+        return true;
+    }
+}