feat: add files selection

Author: jonaslagoni

pyproject.toml

@@ -18,6 +18,11 @@ classifiers = [
     "Development Status :: 2 - Pre-Alpha",
 ]
 
+[tool.hatch.build.targets.sdist]
+include = [
+  "src/**/*.py"
+]
+
 [project.urls]
 Homepage = "https://github.com/jonaslagoni/asyncapi-python-parser"
 Issues = "https://github.com/jonaslagoni/asyncapi-python-parser/issues"