feat(mumble): Add Mumble client

modules/home/users/crumb/mumble.nix

@@ -0,0 +1,20 @@
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.sydnix.users.crumb.mumble;
+in {
+  options.sydnix.users.crumb.mumble.enable
+    = lib.mkEnableOption "Mumble, à la crumb";
+
+  config = lib.mkIf cfg.enable {
+    sydnix.impermanence.directories =
+      let xdg-config-home =
+        lib.removePrefix "${config.home.homeDirectory}"
+          (lib.removePrefix "~"
+            (config.xdg.configHome));
+      in [ "${xdg-config-home}/Mumble" ];
+
+    home.packages = [ pkgs.mumble ];
+  };
+}
+

users/crumb/default.nix

@@ -43,6 +43,7 @@
         discord.enable = true;
         ghostty.enable = true;
         readline.enable = true;
+        mumble.enable = true;
         tf2.enable = true;
         quake-live.enable = true;
       };