feat!: dynamically create hosts

This commit completely restructures the flake. Hosts are now seperate
from profile configuration files in hosts/[system]. Nixos and Darwin
configurations will be built when present in the respective folders in hosts/

profiles/server/nixos/spotifyd.nix

@@ -0,0 +1,34 @@
+{ lib, config, ... }:
+{
+  config = lib.mkIf config.swarselsystems.server.spotifyd {
+    users.groups.spotifyd = {
+      gid = 65136;
+    };
+
+    users.users.spotifyd = {
+      isSystemUser = true;
+      uid = 65136;
+      group = "spotifyd";
+      extraGroups = [ "audio" "utmp" "pipewire" ];
+    };
+
+    networking.firewall.allowedTCPPorts = [ 1025 ];
+
+    services.pipewire.systemWide = true;
+
+    services.spotifyd = {
+      enable = true;
+      settings = {
+        global = {
+          dbus_type = "session";
+          use_mpris = false;
+          device = "sysdefault:CARD=PCH";
+          device_name = "SwarselSpot";
+          mixer = "alsa";
+          zeroconf_port = 1025;
+        };
+      };
+    };
+  };
+
+}