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/columns-with-headers.txt

@@ -0,0 +1,25 @@
+Background
+#0a0a16
+
+Foreground
+#70e4ff
+
+Normal ANSI Colors
+#191b3a
+#7950be
+#2c67a5
+#04adf0
+#0287d3
+#019be2
+#07b4c6
+#b5e9fd
+
+Bright ANSI Colors
+#282c5e
+#9a7ad1
+#4086ce
+#34c4fd
+#14a9fe
+#22b9ff
+#13e2f7
+#f0fbff