Documentation link broken and outdated about Electron

[ftovaro]

What steps did you take and what happened:
[A clear and concise description of what the bug is, and what commands you ran.)

• When I'm in https://octant.dev/docs/ this button is reloading the page instead of redirecting to https://reference.octant.dev/

• This documentation is outdated and is not working any more

What did you expect to happen:

Update docs and fix redirect

Anything else you would like to add:
[Miscellaneous information that will assist in solving the issue.]

Environment:

• Octant version (use octant version):
• Kubernetes version (use kubectl version):
• OS (macOS 10.15, Windows 10, Ubuntu 19.10 etc):