Fix alacritty setup

Alacritty is not installed on server, hence should not be mentioned in
basics.

Install/basic-custom

@@ -16,5 +16,4 @@ ln --relative --symbolic Templates/home/config/fish $HOME/.config/fish
 set --export --universal JHE 'jovian-hersemeule.eu'
 set --export --universal EDITOR 'vi -e'
 set --export --universal VISUAL vim
-set --export --universal TERMINAL alacritty
 set --export --universal CLICOLOR '' # Enable color for tree

Install/ui-custom

@@ -3,3 +3,6 @@
 # Link ui apps config
 ln --relative --symbolic Templates/home/config/alacritty $HOME/.config/alacritty
 ln --relative --symbolic Templates/home/config/regolith $HOME/.config/regolith
+
+# Set alacritty as default terminal
+set --export --universal TERMINAL alacritty