[docs] fix "Could not find entry" in typescript codesandbox

https://codesandbox.io/s/react-ts uses the same workaround. Related codesandbox issue: codesandbox/codesandbox-client#514
eps1lon · Aug 17, 2018 · 79967c2 · 79967c2
1 parent 013bf86
commit 79967c2
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/examples/create-react-app-with-typescript/package.json b/examples/create-react-app-with-typescript/package.json
@@ -2,6 +2,7 @@
   "name": "create-react-app-with-typescript",
   "version": "0.1.0",
   "private": true,
+  "main": "src/index.tsx",
   "dependencies": {
     "@material-ui/core": "latest",
     "@types/react": "*",