feat: setup git ssh signing

home/alex/git.nix

@@ -1,10 +1,13 @@
 { pkgs, ... }:
-
 {
   home.packages = [ pkgs.delta ];
-
   programs.git = {
     enable = true;
+    signing = {
+      format = "ssh";
+      key = "~/.ssh/id_signing_git";
+      signByDefault = true;
+    };
     settings = {
       user.name = "Alex Maldonado";
       user.email = "alex@scient.ing";
@@ -12,19 +15,15 @@
       core.editor = "hx";
       core.pager = "delta";
       pull.rebase = true;
-
       delta = {
         navigate = true;
         side-by-side = true;
         line-numbers = true;
       };
-
       interactive.diffFilter = "delta --color-only";
-
       merge.conflictstyle = "zdiff3";
       diff.algorithm = "histogram";
       diff.colorMoved = "default";
-
       push.autoSetupRemote = true;
       push.default = "simple";
       fetch.prune = true;
@@ -32,7 +31,6 @@
       help.autocorrect = "prompt";
       branch.sort = "-committerdate";
       column.ui = "auto";
-
       transfer.fsckObjects = true;
     };
     lfs.enable = true;