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/finding_nemo/json-scheme.json

@@ -0,0 +1,24 @@
+{
+  "name": "GVCCI Color Scheme",
+  "author": "",
+  "color": [
+    "#1e2045",
+    "#c24405",
+    "#7063c8",
+    "#a79808",
+    "#4f945b",
+    "#ab924c",
+    "#36a5b3",
+    "#c2dcef",
+    "#2d3169",
+    "#f95a0c",
+    "#968cdc",
+    "#e2cd0b",
+    "#6db37a",
+    "#c3ad72",
+    "#58c1ce",
+    "#f3f8fc"
+  ],
+  "foreground": "#76d3e9",
+  "background": "#0e1021"
+}