fix package names

flake.nix

@@ -16,10 +16,10 @@
         builder = pkgs.haskellPackages.callCabal2nix "blogng" ./. { };
       in {
 
-        packages.default = self.packages.${system}.website;
+        packages.default = self.packages.${system}.blog;
         defaultPackage = self.packages.${system}.default;
 
-        packages.website = pkgs.stdenv.mkDerivation rec {
+        packages.blog = pkgs.stdenv.mkDerivation rec {
           name = "blog";
           LANG = "en_US.UTF-8";
           LC_ALL = "en_US.UTF-8";