update options syntax for git & zsh

users/shatteredmint.nix

@@ -27,7 +27,6 @@
 	highlight = "fg=white,bg=green,bold";
       };
       defaultKeymap = "viins";
-      dotDir = ".config/zsh";
 
       history = {
         ignoreAllDups = true;
@@ -47,9 +46,11 @@
 
     programs.git = {
       enable = true;
-      userEmail = "shatteredmint@gmail.com";
-      userName = "ShatteredMINT";
-      extraConfig = {
+      settings = {
+        user = {
+          email = "shatteredmint@gmail.com";
+          name = "ShatteredMINT";
+        };
         init.defaultBranch = "main";
         pull.rebase = true;
       };