feat: re-export auth types and ConnectorOptions (fixes #555)

Author: kgala2

src/connector.ts

@@ -176,7 +176,7 @@ class CloudSQLInstanceMap extends Map<string, CacheEntry> {
   }
 }
 
-interface ConnectorOptions {
+export interface ConnectorOptions {
   auth?: GoogleAuth<AuthClient> | AuthClient;
   sqlAdminAPIEndpoint?: string;
   /**

src/index.ts

@@ -14,6 +14,7 @@
 
 import {
   Connector,
+  ConnectorOptions,
   ConnectionOptions,
   DriverOptions,
   UnixSocketOptions,
@@ -23,6 +24,7 @@ import {AuthTypes} from './auth-types';
 
 export {
   Connector,
+  type ConnectorOptions,
   type ConnectionOptions,
   type DriverOptions,
   type UnixSocketOptions,