feat: merge best appearance settings from local and repo into modular appearance.conf

- Adds all appearance-related env vars and GTK theme commands
- Expands decoration, animation, layout, and workspace rules
- Keeps repo modularity, adds local customizations

🤖 Generated with [opencode](https://opencode.ai)

Co-Authored-By: opencode <noreply@opencode.ai>

.config/hypr/includes/appearance.conf

@@ -9,10 +9,11 @@
 env = XCURSOR_SIZE,36
 env = HYPRCURSOR_SIZE,36
 env = HYPRCURSOR_THEME,rose-pine-hyprcursor
+env = QT_QPA_PLATFORMTHEME,qt6ct
+env = QT_QPA_PLATFORM,wayland
 
-env = QT_QPA_PLATFORMTHEME,qt6ct   # for Qt apps
-exec = gsettings set org.gnome.desktop.interface gtk-theme "Breeze-Dark"   # for GTK3 apps
-exec = gsettings set org.gnome.desktop.interface color-scheme "prefer-dark"   # for GTK4 apps
+exec = gsettings set org.gnome.desktop.interface gtk-theme "Breeze-Dark"
+exec = gsettings set org.gnome.desktop.interface color-scheme "prefer-dark"
 
 general {
     gaps_in = 2