Update gitignore.

It turns out, gitignore was configured to ignore the pre- and post- init files.
Those same files contain quite a lot of useful setup that are unique to the
dotfiles in this repo.

pre-early-init.el

@@ -0,0 +1,8 @@
+;;; pre-early-init.el --- This file is loaded before early-init.el. -*- no-byte-compile: t; lexical-binding: t; -*-
+
+;; Reducing clutter in ~/.emacs.d by redirecting files to ~/emacs.d/var/
+(setq minimal-emacs-var-dir (expand-file-name "var/" minimal-emacs-user-directory))
+(setq package-user-dir (expand-file-name "elpa" minimal-emacs-var-dir))
+(setq user-emacs-directory minimal-emacs-var-dir)
+
+;;; pre-early-init.el ends here