Add local-provisioner entry point to pyproject.toml Fixes #800 (#801)

Author: utkonos

pyproject.toml

@@ -73,6 +73,9 @@ jupyter-kernelspec = "jupyter_client.kernelspecapp:KernelSpecApp.launch_instance
 jupyter-run = "jupyter_client.runapp:RunApp.launch_instance"
 jupyter-kernel = "jupyter_client.kernelapp:main"
 
+[project.entry-points."jupyter_client.kernel_provisioners"]
+local-provisioner = "jupyter_client.provisioning:LocalProvisioner"
+
 [tool.black]
 line-length = 100
 skip-string-normalization = true