flake.lock: Update

Flake lock file updates:

• Updated input 'nixos-hardware':
    'github:NixOS/nixos-hardware/231274268ff2250d4730e274b808f66ef91b6381' (2024-06-29)
  → 'github:NixOS/nixos-hardware/a59f00f5ac65b19382617ba00f360f8bc07ed3ac' (2024-06-29)
• Added input 'plasma-manager':
    'github:nix-community/plasma-manager/1ffcff0d28f77862ab8ae6a578fc49260d47a808' (2024-06-29)
• Added input 'plasma-manager/home-manager':
    follows 'home-manager'
• Added input 'plasma-manager/nixpkgs':
    follows 'nixpkgs'

flake.lock

@@ -391,11 +391,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1719647737,
+        "lastModified": 1719681865,
-        "narHash": "sha256-OvX/qQQ33zyB5ReRzm+U5+9Hh6EeYxHdd21tXL3p/eY=",
+        "narHash": "sha256-Lp+l1IsREVbz8WM35OJYZz8sAH0XOjrZWUXVB5bJ2qg=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "231274268ff2250d4730e274b808f66ef91b6381",
+        "rev": "a59f00f5ac65b19382617ba00f360f8bc07ed3ac",
         "type": "github"
       },
       "original": {
@@ -534,6 +534,29 @@
         "type": "github"
       }
     },
+    "plasma-manager": {
+      "inputs": {
+        "home-manager": [
+          "home-manager"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1719686795,
+        "narHash": "sha256-tc+gBY/vMUC9uqTN6DYv+uQ/8no9VOotHa5fCUxnAC0=",
+        "owner": "nix-community",
+        "repo": "plasma-manager",
+        "rev": "1ffcff0d28f77862ab8ae6a578fc49260d47a808",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "plasma-manager",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "agenix": "agenix",
@@ -547,6 +570,7 @@
         "nixpkgs": "nixpkgs_3",
         "nixpkgs-unstable": "nixpkgs-unstable",
         "nixvim": "nixvim",
+        "plasma-manager": "plasma-manager",
         "secrets": "secrets",
         "thunderbird-gnome-theme": "thunderbird-gnome-theme"
       }

modules/desktop/gnome.nix

@@ -28,8 +28,10 @@ in {
         cursor-theme = "Adwaita";
         enable-hot-corners = false;
         font-name = "Cantarell 11";
+        gtk-theme = "Adwaita";
         icon-theme = "MoreWaita";
         monospace-font-name = "UbuntuMono Nerd Font 11";
+        toolbar-style = "both-horiz";
       };
       "org/gnome/desktop/peripherals/touchpad" = {
         tap-to-click = true;