@@ -0,0 +1,16 @@
+{ cfg }:
+{ config, lib, name, ... }:
+let
+  inherit (lib) literalExpression mkOption mkEnableOption types;
+in
+{
+  options = {
+    key = mkOption {
+      type = types.strMatching "[a-z0-9_-]*";
+      default = name;
+      description = "URL-safe name for this source.";
+    };
+
+    enable = mkEnableOption "Whether to enable this source.";
+  };
+}