docs: add deprecation notice and link to new repository

Author: ipv1337

README.md

@@ -1,3 +1,7 @@
+# DEPRECATED
+
+> **Warning**: This repository is deprecated and no longer maintained. The project has moved to [https://github.com/BlueCentre/code-agent](https://github.com/BlueCentre/code-agent).
+
 # CLI Code
 
 [![Python CI](https://github.com/BlueCentre/cli-code/actions/workflows/python-ci.yml/badge.svg)](https://github.com/BlueCentre/cli-code/actions/workflows/python-ci.yml)
@@ -45,12 +49,12 @@ git clone https://github.com/BlueCentre/cli-code.git
 cd cli-code
 # Create a virtual environment (optional but recommended)
 # uv venv
-# source .venv/bin/activate 
+# source .venv/bin/activate
 
 # Install in editable mode
 uv pip install -e .
 # For development including test dependencies, use:
-# uv pip install -e '.[dev]' 
+# uv pip install -e '.[dev]'
 ```
 
 ## Setup