feat: impl catppuccin theme

src/app.rs

@@ -8,6 +8,7 @@ use crate::{api, app};
 
 pub struct Global {
     pub safe_area: gpui::Bounds<gpui::Pixels>,
+    pub theme_family: theme::ThemeFamily,
     pub current_theme: theme::Theme,
     pub rng: rand::prelude::ThreadRng,
 }
@@ -18,7 +19,9 @@ impl Chrome {
     pub fn new(window: &mut gpui::Window, cx: &mut gpui::Context<Self>) -> Self {
         cx.observe_window_appearance(window, |_, window, cx| {
             cx.update_global::<app::Global, ()>(|global, cx| {
-                global.current_theme = window.appearance().into();
+                global.current_theme = global
+                    .theme_family
+                    .theme_for_appearance(window.appearance());
                 cx.notify();
             });
         })