Is your feature request related to a problem? Please describe.
Sometimes it is necessary to pass a hubBlob instance to other utility functions, in which case the HubBlob type is needed. However, the HubBlob type cannot be imported from @nuxthub /core like HubKV.

Describe the solution you'd like

import type { HubBlob } from '@nuxthub/core'

Describe alternatives you've considered
None

Additional context
None