[feature request] Autosave session on browser exit (and autorestore)

[cocoonkid]

Describe the problem

Autosave session on browser exit (and autorestore)

Like this is really needed :-)

Describe the proposed solution

Autosave session on browser exit (and autorestore)

Just a checkbox to enable.

Alternatives considered

No response

Importance

I cannot use sessionic without it (1)