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/forest_8k/columns-with-headers.txt

@@ -0,0 +1,25 @@
+Background
+#14100c
+
+Foreground
+#a3d08f
+
+Normal ANSI Colors
+#342b1f
+#74613d
+#3b6f3d
+#59684e
+#489352
+#5ba72e
+#53774a
+#d3ebc6
+
+Bright ANSI Colors
+#544532
+#9c8252
+#509753
+#788b67
+#64b56f
+#78cd45
+#6d9d61
+#f6fbf4