add linearmouse to macos

modules/linearmouse.nix

@@ -0,0 +1,35 @@
+{ config, pkgs, lib, ... }:
+
+{
+  # LinearMouse configuration - reversed scrolling and no acceleration for mouse
+  home.file.".config/linearmouse/linearmouse.json".text = builtins.toJSON {
+    "$schema" = "https://schema.linearmouse.app/0.10.2";
+    schemes = [
+      {
+        "if" = {
+          device = {
+            category = "mouse";
+          };
+        };
+        scrolling = {
+          reverse = {
+            vertical = true;
+          };
+        };
+        pointer = {
+          disableAcceleration = true;
+        };
+      }
+    ];
+  };
+
+  # Auto-start LinearMouse on login
+  launchd.agents.linearmouse = {
+    enable = true;
+    config = {
+      ProgramArguments = [ "/Applications/LinearMouse.app/Contents/MacOS/LinearMouse" ];
+      RunAtLoad = true;
+      KeepAlive = false;
+    };
+  };
+}