added stuff

nyx/modules/options/system/services/bincache.nix

@@ -0,0 +1,21 @@
+{lib, ...}: let
+  inherit (lib) mkModule;
+in {
+  options.modules.system.services = {
+    # binary cache backends
+    bincache = {
+      harmonia = mkModule {
+        name = "Harmonia";
+        type = "binary cache";
+        host = "[::]";
+        port = 5000;
+      };
+
+      atticd = mkModule {
+        name = "Atticd";
+        type = "binary cache";
+        port = 8100;
+      };
+    };
+  };
+}