Add joshpeng to 1.9 contributors since his pr was not automatically picked up in the list

mjbvz · mjbvz · commit d0e9826fe5c6 · 2017-02-09T13:56:44.000-08:00
diff --git a/release-notes/v1_9.md b/release-notes/v1_9.md
@@ -796,6 +796,8 @@ Last but certainly not least, a big *__Thank You!__* to the following folks that
 * [Ryan Patterson (@ryapapap)](https://github.com/ryapapap):  Option to exclude items from Git branch checkout list #13506 [PR #16792](https://github.com/Microsoft/vscode/pull/16792)
 * [Matteo (@xadhoom)](https://github.com/xadhoom):  Add GConf2 dependency in rpm spec template [PR #16016](https://github.com/Microsoft/vscode/pull/16016)
 * [David Terry (@xwvvvvwx)](https://github.com/xwvvvvwx):  Add config setting to control whether alt should show the menu bar [PR #17517](https://github.com/Microsoft/vscode/pull/17517)
+* [Josh Peng (@joshpeng)](https://github.com/joshpeng): Improve Markdown code block tokens for syntax highlighting. [PR #17591](https://github.com/Microsoft/vscode/pull/17591)
+
 
 Contributions to `vscode-eslint`:
 
