feat: add change wallpaper shortcut to yazi

system/dev/dn-server/services/ntfy.nix

@@ -0,0 +1,35 @@
+{
+  fqdn ? null,
+}:
+{ config, ... }:
+let
+  port = 31004;
+  finalFqdn = if fqdn == null then config.networking.fqdn else fqdn;
+in
+{
+  systemConf.security.allowedDomains = [
+    "ntfy.sh"
+  ];
+
+  services.ntfy-sh = {
+    enable = true;
+    settings = {
+      listen-http = ":${toString port}";
+      base-url = "https://${finalFqdn}";
+      upstream-base-url = "https://ntfy.sh";
+      behind-proxy = true;
+      proxy-trusted-hosts = "127.0.0.1";
+    };
+  };
+
+  services.nginx.virtualHosts = {
+    "${finalFqdn}" = {
+      enableACME = true;
+      forceSSL = true;
+      locations."/" = {
+        proxyWebsockets = true;
+        proxyPass = "http://127.0.0.1:${toString port}";
+      };
+    };
+  };
+}