Add an example server in README.md

Author: jeromewu

README.md

@@ -46,7 +46,7 @@ $ node --experimental-wasm-threads --experimental-wasm-bulk-memory transcode.js
 
 Or, using a script tag in the browser (only works in some browsers, see list below):
 
-> SharedArrayBuffer is only available to pages that are [cross-origin isolated](https://developer.chrome.com/blog/enabling-shared-array-buffer/#cross-origin-isolation). So you need to host your own server with `Cross-Origin-Embedder-Policy: require-corp` and `Cross-Origin-Opener-Policy: same-origin` headers to use ffmpeg.wasm.
+> SharedArrayBuffer is only available to pages that are [cross-origin isolated](https://developer.chrome.com/blog/enabling-shared-array-buffer/#cross-origin-isolation). So you need to host [your own server](https://github.com/ffmpegwasm/ffmpegwasm.github.io/blob/main/server/server.js) with `Cross-Origin-Embedder-Policy: require-corp` and `Cross-Origin-Opener-Policy: same-origin` headers to use ffmpeg.wasm.
 
 ```html
 <script src="static/js/ffmpeg.min.js"></script>