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/.emacs.d/snippets/rjsx-mode/jest-describe-test

@@ -1,10 +0,0 @@
-# -*- mode: snippet -*-
-# name: Jest describe/test block
-# key: dsc
-# --
-describe('$1', () => {
-  test('$2', () => {
-
-    expect($3).toEqual($4)
-  })
-})