feat: update to use hyprland and than back to gnome (wayland)

* add Waybar configs under `home-manager/hyprland/config/`
* extend Hyprland config with wallpaper, blur, animations, and new keybindings
* adjust common configs: Keychron (remove redundant xserver enable) and NVIDIA (add `videoDrivers = [ "nvidia" ]`)
* update `hosts/Nixstation` with GNOME desktop, GDM, Wacom config, and disable Hyprland
* add `home-manager/gnome/default.nix` with dconf, extensions, icons, and packages
* switch `home-manager/home.nix` from Hyprland to GNOME and update packages and Kitty config

home-manager/hyprland/config/waybar_config.json

@@ -0,0 +1,58 @@
+{
+  "layer": "top",
+  "position": "right",
+  "exclusive": true,
+  "modules-left": [
+    "hyprland/workspaces",
+    "hyprland/window"
+  ],
+  "modules-center": [
+    "clock",
+    "temperature"
+  ],
+  "modules-right": [
+    "pulseaudio",
+    "battery",
+    "network",
+    "tray"
+  ],
+  "clock": {
+    "format": "{:%d/%m %H:%M}",
+    "interval": 1
+  },
+  "temperature": {
+    "hwmon-path-abs": "/sys/class/hwmon/hwmon1/temp1_input",
+    "format": " {temperatureC}°C",
+    "critical-threshold": 90,
+    "format-icons": [
+      "",
+      "",
+      ""
+    ]
+  },
+  "battery": {
+    "format": "{capacity}% {icon}",
+    "format-charging": "{capacity}% ⚡",
+    "format-icons": [
+      "",
+      "",
+      "",
+      "",
+      ""
+    ]
+  },
+  "network": {
+    "format-wifi": " {essid}",
+    "format-ethernet": " {ipaddr}",
+    "format-disconnected": "  "
+  },
+  "pulseaudio": {
+    "format": "{volume}% {icon}",
+    "format-muted": "",
+    "format-icons": [
+      "",
+      "",
+      ""
+    ]
+  }
+}