Migrate config (frues-pc machine for now) from https://git.peprolinbot.com/peprolinbot/nixos-config, with improvements

users/pedro/home-configuration/git.nix

@@ -0,0 +1,20 @@
+{pkgs, ...}: {
+  programs.git = {
+    enable = true;
+
+    userName = "Pedro Rey Anca";
+    userEmail = "personal@peprolinbot.com";
+
+    signing = {
+      signByDefault = true;
+      key = null; # Let GnuPG decide what signing key to use depending on commit’s author.
+    };
+
+    extraConfig = {
+      init.defaultBranch = "main";
+      credential.helper = "store";
+    };
+  };
+
+  # home.packages = [ pkgs.gh pkgs.git-lfs ];
+}