feat: include tox.ini in sdist (#116)

Author: mj0nez

pyproject.toml

@@ -59,7 +59,7 @@ scripts.pyproject-fmt = "pyproject_fmt.__main__:run"
 [tool.hatch]
 build.dev-mode-dirs = ["src"]
 build.hooks.vcs.version-file = "src/pyproject_fmt/_version.py"
-build.targets.sdist.include = ["/src", "/tests"]
+build.targets.sdist.include = ["/src", "/tests","tox.ini"]
 version.source = "vcs"
 
 [tool.ruff]