Zombie Minigame Update Summary
This update adds major quality-of-life and network-ready features for production servers:

• Added /zombieadmin about command for full diagnostics output (plugin/server/database/settings/hooks), with fully editable text via language/messages files.
• Added PlaceholderAPI top placeholders:
  • top wins
  • top losses
  • top played arenas
• Added arena play tracking (local YAML or MySQL) to support top played arena stats.
• Added update notifier system with placeholders:
  • %current_version%, %new_version%, %link%
  • configurable notify modes (console/join), permission-based notify (zombie.update.notify), and configurable source/check settings.
• Improved end-of-match flow with configurable Top 3 podium celebration:
  • top 3 players displayed on podium spots
  • other players forced to spectator during ceremony
  • configurable duration, actionbar, bossbar, fireworks, podium positioning
  • ranking rewards remain configurable for Top 3 and all participants.
• Added network mode support in config:
  • SERVER mode: regular multi-arena behavior
  • BUNGEECORD mode: single-arena style + automatic send to configurable fallback server after celebration/rewards.
• Added multi-language foundation:
  • settings.language: it | en
  • English message file (messages_en.yml)
  • config text overlay for English (config_en.yml)
  • fallback system to default language entries if keys are missing.
• Extended leaderboard support with Top Losers category.
• Updated plugin metadata and soft dependencies (PlaceholderAPI, Vault, LuckPerms, WeaponMechanics).

Fully configurable via YML

• Network mode and fallback transfer
• Update notifier behavior and message format
• Podium ceremony behavior and visuals
• Admin about output format
• Reward distribution
• Language/texts (chat, actionbar, title/subtitle, bossbar, GUI labels/lore where config-driven)