Website: Add TODO for link to VS Code plugin build

Author: strager

website/install.html

@@ -959,6 +959,7 @@ <h3 id="manual-vscode">
         </p>
         <ol>
           <li>
+            <!-- TODO(strager): Point to a release instead of a master build. -->
             <a
               href="https://c.quick-lint-js.com/builds/55527f6708b5bc53f0ddf3c140c82daccaab9e76/vscode/quick-lint-js-0.1.0.vsix"
               >Download the latest release of the quick-lint-js extension.</a