old
 1{pkgs, ...}: let
 2  port = 5600;
 3in {
 4  services.activitywatch = {
 5    enable = true;
 6    package = pkgs.aw-server-rust;
 7    settings = {
 8      inherit port;
 9    };
10    watchers = {
11      awatcher = {
12        package = pkgs.awatcher;
13        settings = {
14          server.port = port;
15        };
16      };
17    };
18  };
19}