fix: correct readme path in pyproject.toml template

Changes the readme path from 'docs/README.md' to 'README.md' to match the actual repository structure.

Author: liblaf

template/pyproject.toml.jinja

@@ -56,7 +56,7 @@ dynamic = ["version"]
 keywords = []
 license = "{{ license }}"
 name = "{{ package_name }}"
-readme = "docs/README.md"
+readme = "README.md"
 requires-python = ">=3.12"
 
 [project.urls]