docs: add package badges

Author: amaanq

README.md

@@ -2,6 +2,8 @@
 
 [![CI](https://github.com/tree-sitter/tree-sitter-python/actions/workflows/ci.yml/badge.svg)](https://github.com/tree-sitter/tree-sitter-python/actions/workflows/ci.yml)
 [![Discord](https://img.shields.io/discord/1063097320771698699?logo=discord)](https://discord.gg/w7nTvsVJhm)
+[![Rust Crate](https://img.shields.io/crates/v/tree-sitter-python.svg)](https://crates.io/crates/tree-sitter-python)
+[![Node Package](https://img.shields.io/npm/v/tree-sitter-python.svg)](https://www.npmjs.com/package/tree-sitter-python)
 
 Python grammar for [tree-sitter][].