Add syncthing base

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

users/configs/gui/btop/default.nix

@@ -0,0 +1,34 @@
+{
+  user ? throw "user argument is required",
+}:
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+let
+  hmConfig = config.home-manager.users.${user.name};
+in
+{
+  home-manager.users.${user.name} = {
+    programs = {
+      btop.settings.color_theme = "matugen";
+
+      matugen.settings.templates.btop = {
+        input_path = ./theme.theme;
+        output_path = "${hmConfig.xdg.configHome}/btop/themes/matugen.theme";
+      };
+    };
+
+    theme.extraConfig = "${
+      lib.meta.getExe (
+        pkgs.writeShellApplication {
+          name = "reload-btop";
+          runtimeInputs = with pkgs; [ procps ];
+          text = "exec pkill btop -SIGUSR2";
+        }
+      )
+    } &";
+  };
+}