Bump changedetection to 0.38.2

common/changedetection.io/default.nix

@@ -0,0 +1,20 @@
+{ config, pkgs, ... }:
+let
+  changedetectionDir = "/var/lib/changedetection.io/";
+in
+{
+  systemd.services.changedetection = {
+    wantedBy = [ "multi-user.target" ];
+    after = [ "network.target" ];
+    preStart = ''
+      mkdir -p ${changedetectionDir}/datastore
+    '';
+    serviceConfig = {
+      Type = "forking";
+      ExecStart = "${pkgs.changedetection.io}/bin/changedetection.py -d ${changedetectionDir}/datastore";
+      Restart = "on-failure";
+      WorkingDirectory = "${changedetectionDir}";
+    };
+  };
+
+}