[SDK-1750] Migrated auth0-spa-js tutorial from docs to repo (#198)

* Add tutorial for 01-Login

* Updated dependencies

* Migrate tutorial for calling an API

* Upgrade dependencies

* Add a link to the 02 tutorial

Update usage of history.js (#119)

Also ran `npm audit fix` on all samples

Migration of React tutorials from /docs (#123)

* Migrated tutorial 01

* Migrated tutorial for sample 02

* Migrated tutorial for sample 03

* Migrated tutorial for sample 04

* Migrated tutorial for sample 05

* Fixed replacement strings