set up commit signing

Flake lock file updates:

• Updated input 'home-manager':
    'github:nix-community/home-manager/c36cb65c4a0ba17ab9262ab3c30920429348746c' (2024-01-04)
  → 'github:nix-community/home-manager/26b8adb300e50efceb51fff6859a1a6ba1ade4f7' (2024-01-04)
• Updated input 'nixpkgs-stable':
    'github:NixOS/nixpkgs/2d2ea8eab9e400618748ab1a6a108255233b602c' (2024-01-01)
  → 'github:NixOS/nixpkgs/b0b2c5445c64191fd8d0b31f2b1a34e45a64547d' (2024-01-03)

flake.lock

@@ -190,11 +190,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1704358952,
-        "narHash": "sha256-yazDFmdyKr0JGMqmzQ5bYOW5FWvau8oFvsQ8eSB2f3A=",
+        "lastModified": 1704383912,
+        "narHash": "sha256-Be7O73qoOj/z+4ZCgizdLlu+5BkVvO2KO299goZ9cW8=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "c36cb65c4a0ba17ab9262ab3c30920429348746c",
+        "rev": "26b8adb300e50efceb51fff6859a1a6ba1ade4f7",
         "type": "github"
       },
       "original": {
@@ -345,11 +345,11 @@
     },
     "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1704145853,
-        "narHash": "sha256-G/1AMt9ibpeMlcxvD1vNaC8imGaK+g7zZ99e29BLgWw=",
+        "lastModified": 1704295289,
+        "narHash": "sha256-9WZDRfpMqCYL6g/HNWVvXF0hxdaAgwgIGeLYiOhmes8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "2d2ea8eab9e400618748ab1a6a108255233b602c",
+        "rev": "b0b2c5445c64191fd8d0b31f2b1a34e45a64547d",
         "type": "github"
       },
       "original": {

modules/desktop/default.nix

@@ -175,6 +175,8 @@ in
 
         # meow
         oneko
+
+        plover.dev
       ];
       xsession = {
         enable = true;

modules/git.nix

@@ -12,6 +12,10 @@
         pl = "pull";
         s = "status";
       };
+      signing = {
+        key = "97BE CCA7 92F4 B2BD F149 F524 DFD0 FD20 5943 C14A";
+        signByDefault = true;
+      };
     };
     programs.gitui = {
       enable = true;