added some more tools

programs/bat.nix

@@ -0,0 +1,7 @@
+{ config, pkgs, lib, ... }:
+
+{
+  programs.bat = {
+    enable = true;
+  };
+}

programs/command-not-found.nix

@@ -0,0 +1,7 @@
+{ config, pkgs, lib, ... }:
+
+{
+  programs.command-not-found = {
+    enable = true;
+  };
+}

programs/fzf.nix

@@ -0,0 +1,9 @@
+{ config, pkgs, lib, ... }:
+
+{
+  programs.fzf = {
+    enable = true;
+    enableZshIntegration = true;
+    
+  };
+}

programs/zsh.nix

@@ -44,7 +44,11 @@ in {
       plugins = map (x: {
         name = "plugins/${x}";
         tags = [ "from:oh-my-zsh" ];
-      }) omz-plugins;
+      }) omz-plugins ++ [
+        {
+          name = "chisui/zsh-nix-shell";
+        }
+      ];
     };
   };
 }