Add the seal post script into nix file itself.

Some comments on how to use Gitea.
Switching mentions of users to alice

nixos-apps/cutesealfanpage.love.nix

@@ -2,6 +2,14 @@ let
   PROJECT_ROOT = builtins.toString ./.;
 in
 {
+  nixpkgs.overlays = [
+    (self: super: {
+      newSealPost = pkgs.writeShellScriptBin "newSealPost.sh" (builtins.readFile ./cutesealfanpage.love/newSealPost.sh);
+    })
+  ];
+
+  environment.systemPackages = [ pkgs.newSealPost ];
+
   services.caddy = {
     enable = true;
     virtualHosts = {