example-content plugin, project website with screenshot

Example-content: footer button creates 20 realistic demo cards in a
"Project Alpha" bucket for screenshots and first-time exploration.

Website: full-page sections with large watermark labels, screenshot
hero with typing animation, email/spam section, Gitea detail,
relay encryption flow, keyboard keycaps, deploy options.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

data/plugins.json

@@ -1,5 +1,6 @@
 {
     "disabled": [
-        "logseq-import"
+        "logseq-import",
+        "example-content"
     ]
 }