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/.docker/.buildNodeID

@@ -0,0 +1 @@
+fba49875b86b20c987649381fe9160d51df53e6836665499ded0e9fb90709e85

configs/shared/.docker/config.json

@@ -0,0 +1,3 @@
+{
+  "detachKeys": "ctrl-i,e"
+}