Massive configuration overhaul

Currently paying the price of months of non-diligent git usage.

Here's what has changed.

- Theming support in Gvcci and wpgtk
- Dropping support for i3
- Supporting EXWM
- Many Elisp modules
- Collapsed redundant directories in ./configs

configs/shared/.emacs.d/wpc/bills.el

@@ -0,0 +1,26 @@
+;;; bills.el --- Helping me manage my bills -*- lexical-binding: t -*-
+;; Author: William Carroll <wpcarro@gmail.com>
+
+;;; Commentary:
+;; For personal use only.
+
+;;; Code:
+
+(defconst bills/whitelist '(("Council Tax" . "rbkc.gov.uk/onlinepayments/counciltaxpayments/")
+                            ("Internet". "plus.net/member-centre/login"))
+  "Maps searchable labels to URLs to pay these bills.")
+
+(defun bills/url ()
+  "Copies the URL to pay a bill onto the clipboard."
+  (ivy-read
+   "Bill: "
+   bills/whitelist
+   :action (lambda (entry)
+             (kill-new (cdr entry))
+             (alert "Copied to clipboard!"))))
+
+(macros/comment
+ (bills/url))
+
+(provide 'bills)
+;;; bills.el ends here