[DOC] README.md needs to be updated to guide to existing tutorial and examples

[gigony]

Report needed documentation

Report needed documentation

The main Github Repository (README.md) needs to show direct links to the tutorials and examples.

Describe the documentation you'd like

Add links to tutorials and examples in https://docs.monai.io/projects/monai-deploy-app-sdk/en/latest/getting_started/index.html

@GreySeaWolf