Update FUNDING.yml

Update README.md

Create FUNDING.yml

migrate to security rules: https://github.com/the-road-to-react-with-firebase/react-firebase-authentication/pull/26

Update README.md

Update README.md

Update README.md

improve README.md

fix travis to node 10

add license

sign in methods manual

add tutorial to README.md

fix UserItem

session management

Merge branch 'master' into walkthrough