Add a zsh module

modules/default.nix

@@ -14,7 +14,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 params:
-{
+rec {
   # A single nixos config outputting multiple formats.
   # Alternatively put this in a configuration.nix.
   generator = {config, ...}: {
@@ -132,11 +132,26 @@ params:
     ];
   };
 
-  users = {config, ...}: {
+  zshModule = {config, pkgs, ...}: {
+    programs.zsh = {
+      enable = true;
+      autosuggestions.enable = true;
+      histSize = 5000;
+      syntaxHighlighting.enable = true;
+    };
+  };
+
+  users = {config, pkgs, ...}: {
+
+    imports = [
+      zshModule
+    ];
+
     users = {
       users.lxsameer = {
         password = "123123";
         isNormalUser = true;
+        shell = pkgs.zsh;
         extraGroups = [
           "wheel"
           "networkmanager"