Add eww bar

This configuration was simply copied from my old Arch Linux system.
There are some issues that still need to be solved, namely with fonts
and missing bitcoin price script, but it's mostly minor.

home/programs/graphical/bars/eww/config/scripts/nightlight

@@ -0,0 +1,12 @@
+#!/bin/env bash
+
+# shellcheck source=include
+source "./scripts/include"
+
+# Consider usning a file as a flag for whether nightlight is on or off
+# as we might be in transition state and just killing the program might
+# not be enough.
+
+if [ "$1" = "toggle" ]; then
+  gammastep -x
+fi