Update README.md

Author: rwieruch

README.md

@@ -16,7 +16,7 @@ A simple React application consuming the GitHub GraphQL API with plain HTTP requ
 * cd react-graphql-github-vanilla
 * npm install
 * [add your own REACT_APP_GITHUB_PERSONAL_ACCESS_TOKEN in .env file](https://help.github.com/articles/creating-a-personal-access-token-for-the-command-line/)
-  * scopes/permissions you need to check: admin:org, repo, user
+  * scopes/permissions you need to check: admin:org, repo, user, notifications
 * npm start
 * visit `http://localhost:3000`