Add plymouth

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

hosts/common/configs/plymouth/default.nix

@@ -0,0 +1,30 @@
+{ pkgs, ... }:
+
+{
+  boot = {
+    plymouth =
+      let
+        theme = "connect";
+      in
+      {
+        enable = true;
+        inherit theme;
+        themePackages = with pkgs; [
+          (adi1090x-plymouth-themes.override { selected_themes = [ theme ]; })
+        ];
+      };
+
+    initrd.verbose = false;
+    consoleLogLevel = 0;
+
+    kernelParams = [
+      "quiet"
+      "loglevel=3"
+      "splash"
+      "boot.shell_on_fail"
+      "rd.systemd.show_status=false"
+      "rd.udev.log_level=3"
+      "udev.log_priority=3"
+    ];
+  };
+}