Update readme

README.md

@@ -9,9 +9,7 @@ Used by [LexImpact Socio-Fiscal UI](https://git.leximpact.dev/leximpact/leximpac
 ```bash
 git clone https://git.leximpact.dev/leximpact/leximpact-socio-fiscal-api.git
 cd leximpact-socio-fiscal-api/
-poetry install
 
-poetry shell
 # Create environment configuration file and then edit it to reference country package et its JSON output.
 cp example.env .env
 ```
@@ -21,6 +19,5 @@ cp example.env .env
 Start web API server:
 
 ```bash
-poetry shell
-uvicorn --reload leximpact_socio_fiscal_api.main:app
+uv run uvicorn --reload leximpact_socio_fiscal_api.main:app
 ```