Blog: add personal essay "How I coped with leaving home" (trilingual, prose)

Publish Vasil Handziski's personal essay in MK (original) with EN/SI AI-drafted
translations. Adds a prose article variant (no scrollspy sidebar, centred column,
custom byline) via .article-page--prose, plus blog index cards in all languages.
Converter now omits the "last checked" line when empty.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

css/pages/_article.css

@@ -740,3 +740,9 @@
 /* Small "illustrative image" tag prepended to symbolic blog/news photo captions */
 .fig-illustrative { font-weight: 600; color: #667085; }
 .fig-illustrative i { font-size: 11px; color: #98A2B3; margin-right: 3px; }
+
+/* Prose posts (personal stories) — no scrollspy sidebar, single centred column */
+.article-page--prose .article-sidebar { display: none; }
+.article-page--prose .article-layout-container { display: block; }
+.article-page--prose .article-container { max-width: 760px; margin: 0 auto; }
+.article-page--prose .mobile-article-header { display: none; }