modules: move 'services' into subfolder

modules/services/default.nix

@@ -0,0 +1,30 @@
+{ ... }:
+
+{
+  imports = [
+    ./adblock.nix
+    ./backup.nix
+    ./blog.nix
+    ./calibre-web.nix
+    ./drone.nix
+    ./flood.nix
+    ./gitea.nix
+    ./indexers.nix
+    ./jellyfin.nix
+    ./lohr.nix
+    ./matrix.nix
+    ./miniflux.nix
+    ./nextcloud.nix
+    ./nginx.nix
+    ./pirate.nix
+    ./podgrab.nix
+    ./postgresql-backup.nix
+    ./quassel.nix
+    ./rss-bridge.nix
+    ./sabnzbd.nix
+    ./ssh-server.nix
+    ./tlp.nix
+    ./transmission.nix
+    ./wireguard.nix
+  ];
+}