0.4.1

• unity-sds/app-pack-generator #22 - autocatalog: App-pack-gen need to use latest UDS images
• Created unity-example-app.test.yml and added json template for tutorial
• Created a separate notebook to retrieve Unity Token.

Tested against:

• unity-app-generator 0.3.2
• app-pack-generator 0.4.3

Full Changelog: 0.4.0...0.4.1