Separating SST and SLS versions

Separating the SST and Serverless Framework versions of the guide. This repo now connects only to the Serverless Framework version backend.

Upgrading Bootstrap and reorganizing chapters

Upgrading to Bootstrap 4 and React Bootstrap 1.4. Also, a major reorganizing of the chapters.

Huge thanks to @friedcode for the Bootstrap PR #61.

Adding error handling, upgrading React Router, using Context

v4.1

Adding error handling and upgrading React Router

Updating to React Hooks

Part of the new edition of Serverless Stack v4.

Updating to Create React App v2

v3.3.1

Updating to CRA 2

Update to use UsernameAttributes

v3.1

Update to use UsernameAttributes

Adding Part II

v3.0

Adding Part II

Amplify Update

v2.0

Amplify update

Using specific Bootstrap css version

v1.2.5

Using specific Bootstrap css version

Updating to React 16

v1.2.4

Upgrading to React 16