Get cursor back to previous session's location

[mizzunet]

(I couldn't find if this has already been requested)

Describe your feature request

Save cursor location on quitting a file, then get back there when reopening it.
That is,

1. Open a file, say main.go
2. Be the cursor on some location, say 5:6
3. Quit the file.
4. Reopen main.go
5. Set the cursor on location on previous session, that 5;6. Instead of at beginning(1:1)

I think this can be done the way mpv does to save and get previous playback position(--save-position-on-quit), which is by storing the location at ~/.config/mpv/watch_later/<some ID>

So, for this, a new config.toml, option save-position would be needed.

Thank you for this awesome editor (:

[archseer]

Duplicate of #401