Fixed readme

Author: jonathanharg

pyproject.toml

@@ -7,6 +7,7 @@ name = "binaryen.py"
 authors = [{ name = "Jonathan Hargreaves", email = "jhargreaves189@gmail.com" }]
 description = "A Python wrapper for Binaryen"
 requires-python = ">=3.11"
+readme = "README.md"
 dependencies = ['cffi >= 1.15.1']
 dynamic = ["version"]