Add note about redirect
Add note about redirect

Trailing slash can’t be added because instagram will treat `https://localhost:8080` and `https://localhost:8080/` as two different redirect URIs
deepakaggarwal7/react-social-login,nicolas-goudry/react-social-login,deepakaggarwal7/react-social-login,nicolas-goudry/react-social-login,nicolas-goudry/react-social-login,deepakaggarwal7/react-social-login