add website reference: /welcome PDF flow

Documents the unlisted /welcome route (meta-refresh → welcome.pdf,
browser's native PDF viewer renders it) and the one-line aws-cli
update procedure for the out-of-band PDF in Garage S3.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

SKILL.md

@@ -35,4 +35,11 @@ user-invocable: true
   <reference file="reference/boat.md"
     categories=["water"]
     keywords=["boat", "dock, "launch"] />
+</references>
+
+<references>
+  <reference file="reference/website.md"
+    summary="Lodge website: site-publish flow, /welcome PDF redirect, out-of-band PDF update via aws-cli"
+    categories=["website"]
+    keywords=["website", "thelonglakelodge.com", "welcome packet", "PDF", "welcome.pdf", "/welcome", "Garage S3", "site-publish", "excludes"] />
 </references>