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/CakeCommand.java

@@ -0,0 +1,37 @@
+package dev.plex.extras.command;
+
+import dev.plex.command.PlexCommand;
+import dev.plex.command.annotation.CommandParameters;
+import dev.plex.command.annotation.CommandPermissions;
+import dev.plex.rank.enums.Rank;
+import dev.plex.util.PlexUtils;
+import dev.plex.util.item.ItemBuilder;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.minimessage.MiniMessage;
+import org.bukkit.Bukkit;
+import org.bukkit.Material;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+@CommandParameters(name = "cake", description = "For the people that are still alive - gives a cake to everyone on the server")
+@CommandPermissions(level = Rank.ADMIN, permission = "plex.tfmextras.cake")
+public class CakeCommand extends PlexCommand
+{
+    private static final ItemStack CAKE = new ItemBuilder(Material.CAKE)
+            .displayName(MiniMessage.miniMessage().deserialize("<!italic><white>The <dark_gray>Lie"))
+            .build();
+
+    @Override
+    protected Component execute(@NotNull CommandSender sender, @Nullable Player player, @NotNull String[] args)
+    {
+        Bukkit.getOnlinePlayers().forEach(p ->
+        {
+            p.getInventory().addItem(CAKE);
+        });
+        PlexUtils.broadcast(messageComponent("cakeLyrics"));
+        return null;
+    }
+}