[WIP] Docs: /start

[yeldarby]

Description

Adding a /start section of the docs to cover the project's philosophy, architecture, features, and setup.

Type of change

• This change is a documentation update

How has this change been tested, please provide a testcase or example of how you tested the change?

Non-functional change. Testing on local docs server.

Any specific deployment considerations

No, just docs.

Docs

• Docs updated? What were the changes: These are the docs.