more buldak configuration

hosts/buldak/features/software.nix

@@ -0,0 +1,21 @@
+{ pkgs, ... }:
+{
+  environment.systemPackages = with pkgs; [
+    zathura
+    bitwarden
+    nil
+    obs-studio
+    osu-lazer-bin
+  ];
+
+  virtualisation.containers.enable = true;
+  virtualisation = {
+    podman = {
+      enable = true;
+      # Create a `docker` alias for podman, to use it as a drop-in replacement
+      dockerCompat = true;
+      # Required for containers under podman-compose to be able to talk to each other.
+      defaultNetwork.settings.dns_enabled = true;
+    };
+  };
+}