fix(package): ship Python inline type metadata

tests/test_typing_distribution.py

@@ -0,0 +1,8 @@
+from importlib.resources import files
+
+
+def test_package_declares_inline_type_information() -> None:
+    marker = files("elydora").joinpath("py.typed")
+
+    assert marker.is_file()
+    assert marker.read_text(encoding="utf-8").strip() == ""