Merge pull request #10 from purificant/feature/py-typed-marker

feat: add PEP 561 py.typed marker and sync trove classifiers

Author: gregsvo

postmark/py.typed

@@ -17,8 +17,11 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
     "Topic :: Communications :: Email",
     "Topic :: Software Development :: Libraries :: Python Modules",
+    "Typing :: Typed",
 ]
 
 [tool.poetry.urls]