chore: export server for custom transports (#20)

Fixes https://github.com/microsoft/playwright-mcp/issues/11

index.d.ts

@@ -0,0 +1,31 @@
+#!/usr/bin/env node
+/**
+ * Copyright (c) Microsoft Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import type { LaunchOptions } from 'playwright';
+import type { Server } from '@modelcontextprotocol/sdk/server/index.js';
+
+type Options = {
+  launchOptions?: LaunchOptions;
+  /**
+   * Use screenshots instead of snapshots. Less accurate, reliable and overall
+   * slower, but contains visual representation of the page.
+   * @default false
+   */
+  vision?: boolean;
+};
+
+export function createServer(options?: Options): Server;