Added server configs.

modules/hosts/server/server.nix

@@ -0,0 +1,13 @@
+{ inputs, self, ... }: {
+  flake.nixosConfigurations.lily-server = inputs.nixpkgs.lib.nixosSystem {
+    modules = [
+      self.nixosModules.serverConfig
+      self.nixosModules.serverHardware
+      self.nixosModules.nginx
+
+      self.nixosModules.lily
+
+      self.nixosModules.localization
+    ];
+  };
+}