Add trackpad gestures for mac

nix/system/darwin.nix

@@ -5,7 +5,6 @@
   ...
 }:
 {
-  system.configurationRevision = self.rev or self.dirtyRev or null;
 
   environment.systemPackages = with pkgs; [
     home-manager
@@ -26,16 +25,29 @@
     onActivation.upgrade = true;
   };
 
-  system.defaults = {
+  system = {
+    configurationRevision = self.rev or self.dirtyRev or null;
+    defaults = {
       dock.autohide = true;
       finder.FXPreferredViewStyle = "clmv";
       loginwindow.GuestEnabled = false;
-    NSGlobalDomain.AppleICUForce24HourTime = true;
+      NSGlobalDomain = {
-    NSGlobalDomain.AppleInterfaceStyle = "Dark";
+        AppleICUForce24HourTime = true;
-    NSGlobalDomain.KeyRepeat = 2;
+        AppleInterfaceStyle = "Dark";
+        KeyRepeat = 2;
       };
-
+      trackpad = {
-  system.activationScripts.applications.text =
+        Clicking = true;
+        TrackpadThreeFingerDrag = true;
+        TrackpadThreeFingerTapGesture = true;
+      };
+    };
+    keyboard = {
+      enableKeyMapping = true;
+      remapCapsLockToEscape = true;
+      swapLeftCtrlAndFn = true;
+    };
+    activationScripts.applications.text =
       let
         env = pkgs.buildEnv {
           name = "system-applications";
@@ -55,4 +67,5 @@
           ${pkgs.mkalias}/bin/mkalias "$src" "/Applications/Nix Apps/$app_name"
         done
       '';
+  };
 }