fix: export missed types

Author: microshine

src/cert/certificate.ts

@@ -2,7 +2,7 @@ import { getCrypto } from '../crypto';
 import { SshPublicKey } from '../key/public_key';
 import { AlgorithmRegistry } from '../registry';
 import { SshSignature } from '../signature';
-import { SshObject } from '../types';
+import { SshCertificateType, SshObject } from '../types';
 import {
   parseCertificateData,
   parse as parseWireCertificate,
@@ -12,8 +12,6 @@ import {
 } from '../wire/certificate';
 import { SshReader } from '../wire/reader';
 
-export type SshCertificateType = 'user' | 'host';
-
 export class SshCertificate extends SshObject {
   public static readonly TYPE = 'certificate';
   public readonly type = SshCertificate.TYPE;

src/cert/index.ts

@@ -1,2 +1,2 @@
 export { SshCertificateBuilder } from './builder';
-export { SshCertificate, type SshCertificateType } from './certificate';
+export { SshCertificate } from './certificate';

src/index.ts

@@ -21,3 +21,6 @@ export { SshSignature } from './signature';
 
 // Unified SSH API
 export { SSH, type ImportOptions, type KeyPairResult, type SshType } from './ssh';
+
+// Types
+export * from './types';