Update configuration.nix

configuration.nix

@@ -76,6 +76,26 @@
      };
    };
 
+   programs.git = {
+     lfs.enable = true;
+     config = {
+        color = {
+           ui = "auto";
+        };
+        color.status = {
+          added = "green bold";
+          changed = "yellow bold";
+          untracked = "red bold";
+        };
+        push = {
+          autoSetupRemote = "true";
+        };
+        init = {
+           defaultBranch = "main";
+        };
+      };
+   };
+    
    # Allow Unfree
    nixpkgs.config.allowUnfree = true;