fix: export the KeyDerivationMethod (#958)

Signed-off-by: Berend Sliedrecht <[email protected]>

packages/core/src/index.ts

@@ -11,7 +11,7 @@ export { Dispatcher } from './agent/Dispatcher'
 export { MessageSender } from './agent/MessageSender'
 export type { AgentDependencies } from './agent/AgentDependencies'
 export type { InitConfig, OutboundPackage, EncryptedMessage, WalletConfig } from './types'
-export { DidCommMimeType } from './types'
+export { KeyDerivationMethod, DidCommMimeType } from './types'
 export type { FileSystem } from './storage/FileSystem'
 export * from './storage/BaseRecord'
 export { InMemoryMessageRepository } from './storage/InMemoryMessageRepository'