fix: packaging issue. fixes #18

Author: fdintino

pyproject.toml

@@ -41,9 +41,12 @@ readme = "README.md"
 [tool.setuptools]
 zip-safe = false
 platforms = ["any"]
-packages = ["djxml"]
 include-package-data = false
 
+[tool.setuptools.packages.find]
+include = ["djxml*"]
+namespaces = false
+
 [tool.setuptools.dynamic]
 version = { attr = "djxml.__version__" }
 readme = { file = ["README.md"] }