Update package.json

Author: otakustay

packages/react-refresh/package.json

@@ -20,7 +20,8 @@
   "main": "runtime.js",
   "exports": {
     ".": "./runtime.js",
-    "./babel": "./babel.js"
+    "./babel": "./babel.js",
+    "./package.json": "./package.json"
   },
   "repository": {
     "type": "git",