docs: ✏️ add step by step docs for setup local llms (#331)

Author: sumleo

README.md

@@ -186,6 +186,7 @@ pentestgpt-benchmark stop XBEN-037-24        # Stop a benchmark
 
 - **uv** (required) - Python package manager: `curl -LsSf https://astral.sh/uv/install.sh | sh`
 - **Claude Code CLI** - Configure with `claude login` or `export ANTHROPIC_API_KEY='your-key'`
+  - [Tutorial: Using Local Models with Claude Code](https://docs.google.com/document/d/1ixK7x-wlr5t5TYZJdfm75UME5KnPCpS46boLkUXKg1w/edit?usp=sharing)
 
 ### Local Development