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/construction_paper_iceberg_4k/tilix.json

@@ -0,0 +1,33 @@
+{
+    "name": "Gvcci",
+    "comment": "Gvcci generated theme.",
+    "foreground-color": "#0c024d",
+    "background-color": "#dad0df",
+    "use-theme-colors": false,
+    "use-highlight-color": false,
+    "highlight-foreground-color": "#dad0df",
+    "highlight-background-color": "#a18db0",
+    "use-cursor-color": false,
+    "cursor-foreground-color": "#836c94",
+    "cursor-background-color": "#836c94",
+    "use-badge-color": true,
+    "badge-color": "#0c024d",
+    "palette": [
+        "#37293d",
+        "#767676",
+        "#1133fa",
+        "#92669b",
+        "#5328e6",
+        "#c00bfb",
+        "#8702f8",
+        "#e7bcf6",
+        "#523e5b",
+        "#969393",
+        "#4a65fe",
+        "#ad89b5",
+        "#7d5cef",
+        "#d145ff",
+        "#a339ff",
+        "#faf1fd"
+    ]
+}