temperance/programs.nix: add pwvucontrol

modules/options/meta/module.nix

@@ -0,0 +1,35 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (builtins) elemAt;
+  inherit (lib) options types;
+  inherit (options) mkOption;
+  inherit (types) listOf str;
+in {
+  options.meta = {
+    users = mkOption {
+      type = listOf str;
+      default = ["cr"];
+      description = ''
+        A list of users on a system.
+      '';
+    };
+    mainUser = {
+      username = mkOption {
+        type = str;
+        default = elemAt config.meta.users 0;
+        description = ''
+          The main user for each system. This is the first element of the list of users by default.
+        '';
+      };
+      gitSigningKey = mkOption {
+        type = str;
+        description = ''
+          The main user's git signing key, used to automatically sing git commits with this key
+        '';
+      };
+    };
+  };
+}