fix: added epics as dependency (needed for client plugins)

setup.py

@@ -2,6 +2,6 @@ from setuptools import setup
 
 if __name__ == "__main__":
     setup(
-        install_requires=["pyyaml"],
+        install_requires=["pyyaml", "pyepics"],
         extras_require={"dev": ["pytest", "pytest-random-order", "coverage"]},
     )