home: vim: enable swap and undo files

Trying it on for size, since NeoVim does use XDG directories for those.

modules/home/vim/after/plugin/mappings/oil.lua

@@ -1,8 +0,0 @@
-local wk = require("which-key")
-local oil = require("oil")
-
-local keys = {
-    ["-"] = { oil.open, "Open parent directory" },
-}
-
-wk.register(keys)

modules/home/vim/plugin/settings/oil.lua

@@ -1,4 +1,6 @@
 local oil = require("oil")
+local wk = require("which-key")
+
 local detail = false
 
 oil.setup({
@@ -24,3 +26,9 @@ oil.setup({
         },
     },
 })
+
+local keys = {
+    ["-"] = { oil.open, "Open parent directory" },
+}
+
+wk.register(keys)

modules/nixos/hardware/sound/default.nix

@@ -54,6 +54,9 @@ in
 
     # Pulseaudio setup
     (lib.mkIf cfg.pulse.enable {
+      # ALSA
+      sound.enable = true;
+
       hardware.pulseaudio.enable = true;
     })
   ]);