add: discord theme

modules/home-manager/vesktop.nix

@@ -0,0 +1,33 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let 
+  cfg = config.programs.vesktop;
+  package = pkgs.vesktop;
+in {
+
+  options = {
+    programs.vesktop = {
+      enable = mkEnableOption
+        "vesktop, a custom client for discord";
+
+        theme = mkOption {
+          type = types.str;
+          default = "";
+          description = "Custom css theme for vesktop";
+        };
+
+        settings = mkOption {
+          type = types.attrs;
+          default = {};
+          description = "Vesktop settings.";
+        };
+    };
+
+    config = mkIf cfg.enable {
+      home.pakages = [ package ];
+      xdg.configFile."vesktop/theme/custom.css".text = cfg.theme;
+    };
+  };
+}