Add py.typed file

CHANGELOG.md

@@ -1,6 +1,8 @@
 ## x.y.z
 
-...
+Miscellaneous:
+
+- Add py.typed file
 
 ## 5.2.0
 

pyproject.toml

@@ -47,11 +47,13 @@ keywords = [
     "compatibility",
 ]
 
-
 [project.urls]
 Changelog = "https://github.com/3YOURMIND/django-migration-linter/blob/main/CHANGELOG.md"
 Repository = "https://github.com/3YOURMIND/django-migration-linter"
 
+[tool.setuptools.package-data]
+django_migration_linter = ['py.typed']
+
 [project.optional-dependencies]
 test = [
     "tox>=4.6.3",