[DOCUMENTATION] Add readme's into every directory! TELLING what you know about that directory (as a dev) in each readme

[4cecoder]

This should be in every readme except the root project Readme file

## Byte Thoughts:

### Notes from Cloud Team
some notes 

### Notes from Backend Team
more notes

### Notes from Dev Ops
technical thinking thoughts be bussin

Please refer to bottom of deploy/k8/kubernetes.md

[4cecoder]

Done in PR #66 — every source directory that lacked a README now has one (with the requested "Byte Thoughts" block), and the existing auth/auth.md was rewritten since it had gone stale (it documented auth0 middleware code removed during this same PR).

[4cecoder]

Closing — resolved by #66.