feat: add check for nginx status

perun/proxy/utils/nagios/check_nginx.py

+#!/usr/bin/env python3
+
+from check_nginx_status.check_nginx_status import main
+
+# for program arguments check
+# https://gitlab.ics.muni.cz/perun-proxy-aai/python/check_nginx_status/
+
+if __name__ == "__main__":
+    main()

setup.py

@@ -17,5 +17,7 @@ setuptools.setup(
         "ldap3~=2.9.1",
         "check_syncrepl_extended @ git+https://gitlab.ics.muni.cz/perun-proxy-aai/"
         "python/check_syncrepl_extended.git@main",
+        "check_nginx_status @ git+https://gitlab.ics.muni.cz/perun-proxy-aai/"
+        "python/check_nginx_status.git@master",
     ],
 )