use fish shell on desktops

private_dot_config/private_alacritty/alacritty.toml

@@ -1,5 +1,6 @@
 [window]
 padding = { x = 4, y = 8 }
+
 [font]
 normal = { family = "Fantasque Sans Mono", style = "Regular" }
 size = 14

private_dot_config/private_tmux/private_tmux.conf.tmpl

@@ -37,6 +37,8 @@ set -g status-justify centre
 set -g status-interval 1
 set -g status-left "#[fg=colour33,bg=colour235] #h ⧽ "
 set -g status-right "#[bg=colour235,fg=colour136] ⧼ %a ⧼ %H:%M:%S ⧼ %Y-%m-%d "
+
+set -g default-command fish
 {{- end }}
 
 set -g window-status-format "#[fg=cyan]#I:#W#F"