[chore] fix read me

Author: meilame-tayebjee

README.md

@@ -1,6 +1,11 @@
 # codif-ape-graph-rag
 
+You need to install to first install [`uv`](https://github.com/astral-sh/uv), using for instance `pip install uv` if applicable.
+
+Then run the following commands:
+
 ```bash
+cd src
 . ./setup.sh
 export NEO4J_API_KEY= [NEO4J PASSWORD]
 uvicorn api.main:app --reload --host 0.0.0.0 --port 5000