Refactor event channels and update layer specifications

- Removed StatusEffectEventChannelSO and its associated meta file.
- Updated CreateEventChannelAssets to handle new shield-related events.
- Added CharmModule for managing charm assets in the DataHub.
- Introduced CharmEventChannelSO for charm equipped/unequipped events.
- Changed layer references from "Ground" to "Platform" in various scripts.
- Updated documentation to reflect changes in layer specifications.
- Created new event assets for ShieldBroken, ShieldRestored, StatusEffectApplied, and StatusEffectExpired.

Assets/_Game/Scripts/Editor/Hub/DataHubWindow.cs

@@ -75,6 +75,7 @@ namespace BaseGames.Editor
             _modules.Add(new EnemyModule());
             _modules.Add(new FormModule());
             _modules.Add(new BossSkillModule());
+            _modules.Add(new CharmModule());
         }
 
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