feat: add type stubs for cli, codegen, and security modules

openapi_first/__init__.pyi

@@ -5,5 +5,15 @@ from . import codegen as codegen
 from . import codegen_routes as codegen_routes
 from . import errors as errors
 from . import loader as loader
+from . import security as security
 
-__all__ = ["app", "binder", "loader", "client", "errors", "codegen", "codegen_routes"]
+__all__ = [
+    "app",
+    "binder",
+    "loader",
+    "client",
+    "errors",
+    "codegen",
+    "codegen_routes",
+    "security",
+]