feat(core): make wezterm nushell and nvim adapt theme

Now all the terminal themes will adapt with the system theme. Like other apps
it will not do this automatically, however needing to restart the terminal
session is not to much is an issue.

site-modules/core/files/nushell/config.nu

@@ -25,3 +25,8 @@ $env.config = {
 
 $env.config.show_banner = false
 $env.config.shell_integration.osc133 = false
+
+if $env.OS_THEME == "Light" {
+  use std/config light-theme
+  $env.config.color_config = (light-theme)
+}

site-modules/core/files/vim/plugin/colors.vim

@@ -1,9 +1,11 @@
-" Set color theme
-lua << EOF
-  require("nord").setup({})
-EOF
-
-colorscheme nord
+" Set color theme based on the OS theme
+if $OS_THEME ==# 'Dark'
+  set background=dark
+  colorscheme tairiki
+else
+  set background=light
+  colorscheme tairiki
+end
 
 " Set tailing white space to errors
 match ErrorMsg '\s\+$'

site-modules/core/files/wezterm.lua

@@ -1,7 +1,15 @@
 local wezterm = require "wezterm"
 
+function scheme_for_appearance(appearance)
+  if appearance:find 'Dark' then
+    return 'Tomorrow Night'
+  else
+    return 'Tomorrow'
+  end
+end
+
 local scheme = wezterm.get_builtin_color_schemes()
-local theme = scheme["Poimandres"]
+local theme = scheme[scheme_for_appearance(wezterm.gui.get_appearance())]
 
 function collect_executables(process)
   local executables = {}
@@ -58,8 +66,12 @@ return {
     family = "Hasklug Nerd Font Mono",
   },
 
+  set_environment_variables = {
+    OS_THEME = wezterm.gui.get_appearance()
+  },
+
   -- -- The nord theme to fit with everyting else
-  color_scheme = "Poimandres",
+  color_scheme = scheme_for_appearance(wezterm.gui.get_appearance()),
   colors = {
     tab_bar = {
       background = theme.background,