Fix update script

flake.nix

@@ -16,7 +16,7 @@
             popd > /dev/null
           '';
           myWeddingSiteUpdate = pkgs.writeShellScriptBin "my-wedding-site-update" ''
-            ${pkgs.rsync}/bin/rsync -aP ${myWeddingSiteDir} ${myWeddingSiteTgt}
+            ${pkgs.rsync}/bin/rsync -aP ${myWeddingSiteDir}/public/ ${myWeddingSiteTgt}
           '';
       in
         rec {
@@ -27,7 +27,7 @@
             ];
 
             shellHook = ''
-              export MY_WEDDING_SITE_DIR=$(pwd)
+              export MY_WEDDING_SITE_DIR="$(pwd)"
             '';
           };
         }