SDK 2.0 - How Tos - Client

[lucas-tortora]

Description of change

added the how to guides for client: Get Healt, Info and Outputs

Important Info

Please review the Getting Started Guides first, as this branch was built on top of that one.

Links to any relevant issues

fixes https://github.com/iotaledger/devx/issues/258

Type of change

• Documentation

Change checklist

• [x] I have followed the contribution guidelines for this project
• [x] I have performed a self-review of my own changes
• [x] I have made sure that added/changed links still work
• [x] I have commented my code, particularly in hard-to-understand areas