input-remapper: Rename from key-mapper

modules/services/input-remapper/default.nix

@@ -0,0 +1,40 @@
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.ptw.services.input-remapper;
+in {
+  options.ptw.services.input-remapper = {
+    enable = lib.mkEnableOption "Enable the input-remapper service and install it";
+    postStartCommand = lib.mkOption {
+      default = "";
+      description = "Command to be executed after the input-remapper service has been started";
+      # type = ;
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    # TODO: Assert that uinput is in kernelModules
+    services.udev = {
+      packages = with pkgs; [ input-remapper ];
+      extraRules = ''
+        KERNEL=="uinput", GROUP="input", MODE="0660"
+      '';
+    };
+
+    environment.systemPackages = [
+      pkgs.input-remapper # Custom package
+    ];
+    
+    systemd.user.services.input-remapper = {
+      description = "A tool to change the mapping of your input device buttons";
+      wantedBy = [ "default.target" ];
+      serviceConfig = {
+        Type = "simple";
+        ExecStart = "${pkgs.input-remapper}/bin/input-remapper-service";
+        Restart = "always";
+        # NOTE: The Tartarus may not be connected, so don't fail if we cannot set the preset
+        ExecStartPost = cfg.postStartCommand;
+      };
+    };
+  };
+}