Begin the Emacs email journey

While this commit isn't much (i.e. notmuch), it represents one brave step
forward in the quest for supporting email in Emacs -- something I'm estimating
to be somewhere between a 1.5x and 2x workflow booster.

configs/shared/.emacs.d/init.el

@@ -23,6 +23,7 @@
 (require 'dotfiles)
 (require 'bookmark)
 (require 'keyboard)
+(require 'email)
 
 (require 'wpc-keybindings)
 (require 'window-manager)