Docs/Object Storage

[daria305]

Description of change

Docs for object storage
Renderd

Type of change

Documentation

Change checklist

Add an x to the boxes that are relevant to your changes, and delete any items that are not.

• My code follows the contribution guidelines for this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• [x ] I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[capossele]

Add some examples, e.g., how we use it, Consume, Release