Add license to hatchling

Author: zxdawn

pyproject.toml

@@ -61,6 +61,9 @@ hyperapp = "hypergas.app.__main__:main"
 requires = ["hatchling", "hatch-vcs"]
 build-backend = "hatchling.build"
 
+[tool.hatch.build]
+include = ["LICENSE"]
+
 [tool.hatch.metadata]
 allow-direct-references = true