Update README.md

README.md

@@ -5,6 +5,8 @@
 Formatron allows users to control the output format of language models
 with minimal overhead. It is lightweight, user-friendly,
 and seamlessly integrates into existing codebases and frameworks.
+## Installation
+`pip install formatron`
 
 ## Features
 
@@ -259,4 +261,4 @@ since Formatron uses Rust internally, most frameworks sequentially
 call Formatron's plugin for each logits in a batch. Altering 
 this behaviour requires a breaking change to the frameworks' API or letting
 Formatron take over the control flow. Both options imply
-substantial work.
+substantial work.