cobblemon battle plus

- Added Battle Plus Manager creative-only item.
- Added Cobblemon Battle Plus creative tab.
- Added manager hub GUI from the Battle Plus Manager item.
- Added Trainer NPC manager GUI.
- Trainer NPC manager can create draft Trainer NPC presets from the player's current Cobblemon party.
- Trainer NPC manager displays each trainer's party in rows, with Pokemon shown one-by-one.
- Trainer NPC manager can spawn selected Trainer NPC presets from the GUI.
- Trainer NPC draft presets are saved under config/cobblemonbattleplus/trainer_npc/presets.
- Trainer NPC preset loading now supports both bundled datapack presets and config presets.
- Added Battle Factory pool manager GUI.
- Added Battle Tower pool manager GUI.
- Pool managers now use a two-step flow: select tier/pool first, then view and edit that pool.
- Pool managers display registered parties with Pokemon shown one-by-one.
- Pool managers can append the player's current 3-Pokemon party to config-backed pools.
- Pool managers can delete config-backed pool entries.
- Bundled pool entries are display-only and cannot be deleted from the manager.
- Battle Factory trainer pools now support config-backed direct party_entries.
- Battle Tower trainer pools now support config-backed direct party_entries.
- Added shared player party capture support for saving species, level, moves, ability, held item, nature, IVs, EVs, aspects, and tera type.
- Trainer NPCs now receive stationary protection when spawned.
- Battle Factory opponent NPCs now receive stationary protection.
- Battle Tower opponent NPCs now receive stationary protection.