InstantAsset for loading resource async by reading artifact files from folder Libarary or Asset.
| GetInstantAssetRootPath | Set file paths in instant asset are specified relative to the root folder path. |
| ReadAssetTable | Read the object of InstantAssetTable. |
| SetInstantAssetRootPath | Set the root folder path where to load asset for instant asset. |
| UnloadAssetTable | Unload an InstantAssetTable. |