update url in sample-setup.sh

Signed-off-by: ahuston-0 <aliceghuston@gmail.com>

flake.nix

@@ -19,6 +19,7 @@
     ];
     trusted-users = [ "root" ];
     allow-import-from-derivation = true;
+    fallback = true;
   };
 
   inputs = {

users/alice/home.nix

@@ -90,6 +90,8 @@
       nodejs_20
       nodePackages.prettier
       treefmt
+
+      gocryptfs
     ];
   };