(Local jupyter notebook, remote sage kernel; #30306 3ABC)

Such instructions should be added to
https://doc.sagemath.org/html/en/installation/launching.html

Part of: #30306 Meta-ticket: Use system Jupyter

References:

• https://pypi.org/project/remote_ikernel/ (last release 2017)

• http://www.pybloggers.com/2016/06/using-remote-kernels-with-jupyter-notebook-server/

• https://jupyter-kernel-gateway.readthedocs.io/en/latest/ (https://pypi.org/project/jupyter-kernel-gateway)

CC: @nbruin @embray @slel @jcamp0x2a

Component: documentation

Issue created by migration from https://trac.sagemath.org/ticket/30313