Add an (experimental) history-enabled dmenu launcher

dotfiles/i3/config

 bindsym $mod+m              exec "i3-dmenu-desktop --dmenu='eedmenu'"
 bindsym $mod+Shift+m        exec "eeini -s dmenu.item | eedmenu --split = | bash -"
 bindsym $mod+p              exec "dmenu_path | eedmenu | bash -"
+bindsym $mod+Shift+p        exec "cat .dmenu_history | eedmenu | tee -a .dmenu_history | bash -"
 
 bindsym $mod+n              exec "eeiam bbl"
 bindsym $mod+Shift+n        exec "setxkbmap us"