message: feat(secrets): add creation timestamp to MnemonicSecret
diff: @@ -56,6 +56,7 @@ abstract class Secret implements Identifiable {
  }
  export class MnemonicSecret extends Secret {
  + public createdAtTimestamp: number
  public hasSocialRecovery: boolean
  public hasRecoveryKey: boolean
  @@ -77,6 +78,7 @@ export class MnemonicSecret extends Secret {
  if (seed !== null) {
  this.secretHex = this.getEntropyFromMnemonic(seed)
  this.fingerprint = this.getFingerprintFromMnemonic(seed)
  + this.createdAtTimestamp = Date.now()
  }
  }
  