Add missing TOC listing for XState

jbranchaud · jbranchaud · commit 94ade71d4026 · 2021-08-25T13:04:28.000-05:00
diff --git a/README.md b/README.md
@@ -59,6 +59,7 @@ _1148 TILs and counting..._
 * [VSCode](#vscode)
 * [Webpack](#webpack)
 * [Workflow](#workflow)
+* [XState](#xstate)
 * [YAML](#yaml)
 
 ---
