Update README.md.jinja

Author: michaelfeil

libs/client_infinity/template/README.md.jinja

@@ -1,6 +1,11 @@
 # {{ project_name }}
 {{ package_description }}
 
+## Installation 
+```bash
+pip install {{ package_name }}
+```
+
 ## Usage
 First, create a client:
 
@@ -137,4 +142,4 @@ If you want to install this client into another project without publishing it (e
 1. If that project is not using Poetry:
     1. Build a wheel with `poetry build -f wheel`
     1. Install that wheel from the other project `pip install <path-to-wheel>`
-{% endif %}
+{% endif %}