message: chore(issuer): export migration scripts
diff: +import CommitmentSchema from '../schemas/Commitment.schema.json';
  +
  import * as RequestIssue from './blockchain-facade/RequestIssue';
  import * as Certificate from './blockchain-facade/Certificate';
  -import CommitmentSchema from '../schemas/Commitment.schema.json';
  +export { ICommitment } from './blockchain-facade/ICommitment';
  export { Registry } from './wrappedContracts/Registry';
  export { PublicIssuer } from './wrappedContracts/PublicIssuer';
  export { PrivateIssuer } from './wrappedContracts/PrivateIssuer';
  +
  export { PUBLIC_CERTIFICATE_TOPIC, PRIVATE_CERTIFICATE_TOPIC } from './const';
  -export { ICommitment } from './blockchain-facade/ICommitment';
  +export { migratePublicIssuer, migratePrivateIssuer, migrateRegistry } from './migrate';
  export { RequestIssue, Certificate, CommitmentSchema }
  \ No newline at end of file
  