feat(waybar): color icons with base16, refactor modules, polish bar styling

- Color individual module icons with base16 palette via iconColor param
- Refactor vpn module into writeShellScript for Pango markup support
- Switch window module from max-length to expand, fix-center to false
- Add persistent-workspaces to reserve workspaces across monitor changes
- Overhaul waybar CSS: borders, padding, hover/active workspace states
- Change memory display from {usedGb} GB to {percentage}%

1 files changed, 3 insertions, 0 deletions

diff --git a/modules/desktop/waybar/module/workspaces.nix b/modules/desktop/waybar/module/workspaces.nix
index bb5a6ee..d2b0290 100644
--- a/modules/desktop/waybar/module/workspaces.nix
+++ b/modules/desktop/waybar/module/workspaces.nix
@@ -2,5 +2,8 @@
 with config.scheme.withHashtag;
 {
   format = "{name}";
+  persistent-workspaces = {
+    "*" = 10;
+  };
   on-click = "hyprctl dispatch workspace {name}";
 }