chore: add pytest

Author: hqn21

pyproject.toml

@@ -14,6 +14,13 @@ dependencies = [
 [project.scripts]
 protocols-io-mcp = "protocols_io_mcp.__main__:main"
 
+[project.optional-dependencies]
+dev = [
+    "pytest>=8.4.1",
+    "pytest-asyncio>=1.1.0",
+    "pytest-mock>=3.14.1",
+]
+
 [build-system]
 requires = ["hatchling"]
 build-backend = "hatchling.build"