Added delta for git/diff

hmModules/git/default.nix

@@ -4,6 +4,8 @@
     email = "andrea.ciceri@autistici.org";
   };
 in {
+
+  home.packages = [pkgs.gitoxide];
   programs.git = {
     enable = true;
     package = pkgs.gitAndTools.gitFull;
@@ -30,5 +32,14 @@ in {
           "ssh://git@github.com/" = {insteadOf = https://github.com/;};
         };
     };
+    delta = {
+      enable = true;
+      options = {
+        features = "decorations";
+        delta = {
+          line-numbers = true;
+        };
+      };
+    };
   };
 }