Revert "Remove xinit"

I may want to use this in the future and even if I don't use it it's not
going to have a significant impact on the computer, so I might as well
keep it here just in case.

xinit/.xinitrc

@@ -0,0 +1,18 @@
+# New Start: A modern Arch workflow built with an emphasis on functionality.
+# Copyright (C) 2017-2018 Donovan Glover
+
+# Source the .Xresources file
+xrdb -merge ~/.Xresources
+
+# Source the files in the xinitrc.d directory
+if [ -d /etc/X11/xinit/xinitrc.d ] ; then
+    for f in /etc/X11/xinit/xinitrc.d/?*.sh ; do
+        [ -x "$f" ] && . "$f"
+    done
+    unset f
+fi
+
+# Start the window manager
+exec bspwm
+
+# vim:ft=sh

xinit/README.md

@@ -0,0 +1,15 @@
+# xinit
+
+[xinit][xinit] is used to run the X display server with `startx`.
+
+## Use Cases
+
+xinit can be used to:
+
+- Start X from a tty
+
+You should not use xinit if:
+
+- You use a display manager that bypasses the tty
+
+[xinit]: https://wiki.archlinux.org/index.php/Xinit