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/.gvcci/themes/cartoon_outdoors/json-scheme.json

@@ -0,0 +1,24 @@
+{
+  "name": "GVCCI Color Scheme",
+  "author": "",
+  "color": [
+    "#191b3a",
+    "#7950be",
+    "#2c67a5",
+    "#04adf0",
+    "#0287d3",
+    "#019be2",
+    "#07b4c6",
+    "#b5e9fd",
+    "#282c5e",
+    "#9a7ad1",
+    "#4086ce",
+    "#34c4fd",
+    "#14a9fe",
+    "#22b9ff",
+    "#13e2f7",
+    "#f0fbff"
+  ],
+  "foreground": "#70e4ff",
+  "background": "#0a0a16"
+}