Leads: - https://stackoverflow.com/questions/6977914/emacs-window-positioning - https://www.gnu.org/software/emacs/manual/html_node/emacs/Saving-Emacs-Sessions.html - https://emacs.stackexchange.com/questions/822/how-to-setup-default-windows-at-startup - https://www.emacswiki.org/emacs/WindowsAndRegisters
