Add CBSGroup org profile README

README.md

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+# CBSGroup
+
+CBSGroup is the tenant workspace for the CBS payment and Tingg integration surface.
+
+## What to read first
+
+- [Workspace docs index](../docs/index.md)
+- [Brand docs hub](../repos/cbsgroup-brand-assets/docs/index.md)
+- [Tingg e2e docs hub](../repos/cbsgroup-e2e/docs/index.md)
+- [Ops docs hub](../repos/cbsgroup-ops/docs/index.md)
+
+## Contents
+
+- Brand assets and visual exports for CBSGroup
+- Tingg smoke and integration checks
+- Tenant ops, deployment notes, edge routing, and incident guidance
+- Workspace-level tenant manifest and repo map
+
+## Core model
+
+- `NovaBank` initiates payment intent.
+- `CBS Group` receives and brokers the payment API.
+- `Tingg` processes the payment and returns webhook callbacks.
+- Settlement and treasury are separate from the synchronous checkout path.
+
+## Repositories
+
+- Brand assets: `cbsgroup-brand-assets`
+- Tingg e2e: `cbsgroup-e2e`
+- Ops: `cbsgroup-ops`
+
+## Shared middleware
+
+- Tingg middleware repo: `/home/intlc/projects/tingg`
+