Set file explicitly

Timer · Timer · commit bcd58a36cbd0 · 2018-10-29T19:53:06.000-04:00
diff --git a/packages/react-scripts/package.json b/packages/react-scripts/package.json
@@ -13,7 +13,7 @@
   "files": [
     "bin",
     "config",
-    "lib",
+    "lib/react-app.d.ts",
     "scripts",
     "template",
     "template-typescript",
