Fix missing py.typed marker in package data

Author: Daverball

MANIFEST.in

@@ -1,5 +1,5 @@
 include *.txt *.rst *.cfg *.py *.ini *.toml *.yaml
 exclude .installed.cfg
-recursive-include importscan *.py
+recursive-include importscan *.py py.typed
 recursive-include importscan/tests *.zip
 recursive-include doc *.rst Makefile *.py *.bat

importscan/py.typed

@@ -43,6 +43,9 @@ pyright = ["pyright", "pytest"]
 [tool.setuptools.packages]
 find = {}
 
+[tool.setuptools.package-data]
+importscan = ["py.typed"]
+
 [tool.setuptools.dynamic]
 readme = {file = ["README.rst", "CHANGES.txt"]}