🖼️ Add Blowfish 3 upgrade guide artwork

exampleSite/content/guides/202608-upgrade-to-blowfish-v3/index.de.md

@@ -1,6 +1,7 @@
 ---
 title: "Eine bestehende Hugo-Website auf Blowfish 3 aktualisieren"
 description: "Migrieren Sie eine bestehende Blowfish-Website auf Version 3, ohne die Konfiguration ändern zu müssen."
+featureimage: "featured.png"
 date: 2026-08-30
 lastmod: 2026-08-30
 tags: ["blowfish", "hugo", "migration", "v3"]

exampleSite/content/guides/202608-upgrade-to-blowfish-v3/index.es.md

@@ -1,6 +1,7 @@
 ---
 title: "Actualiza un sitio Hugo existente a Blowfish 3"
 description: "Pasa un sitio existente de Blowfish a la versión 3 sin cambios de configuración incompatibles."
+featureimage: "featured.png"
 date: 2026-08-30
 lastmod: 2026-08-30
 tags: ["blowfish", "hugo", "migration", "v3"]

exampleSite/content/guides/202608-upgrade-to-blowfish-v3/index.fr.md

@@ -1,6 +1,7 @@
 ---
 title: "Mettre à niveau un site Hugo existant vers Blowfish 3"
 description: "Faites passer un site Blowfish existant à la version 3 sans modification incompatible de la configuration."
+featureimage: "featured.png"
 date: 2026-08-30
 lastmod: 2026-08-30
 tags: ["blowfish", "hugo", "migration", "v3"]

exampleSite/content/guides/202608-upgrade-to-blowfish-v3/index.it.md

@@ -1,6 +1,7 @@
 ---
 title: "Aggiorna un sito Hugo esistente a Blowfish 3"
 description: "Porta un sito Blowfish esistente alla versione 3 senza modifiche incompatibili alla configurazione."
+featureimage: "featured.png"
 date: 2026-08-30
 lastmod: 2026-08-30
 tags: ["blowfish", "hugo", "migration", "v3"]

exampleSite/content/guides/202608-upgrade-to-blowfish-v3/index.ja.md

@@ -1,6 +1,7 @@
 ---
 title: "既存の Hugo サイトを Blowfish 3 にアップグレードする"
 description: "互換性を損なう設定変更なしに、既存の Blowfish サイトをバージョン 3 に移行します。"
+featureimage: "featured.png"
 date: 2026-08-30
 lastmod: 2026-08-30
 tags: ["blowfish", "hugo", "migration", "v3"]

exampleSite/content/guides/202608-upgrade-to-blowfish-v3/index.md

@@ -1,6 +1,7 @@
 ---
 title: "Upgrade an existing Hugo site to Blowfish 3"
 description: "Move an existing Blowfish site to version 3 with no breaking configuration changes."
+featureimage: "featured.png"
 date: 2026-08-30
 lastmod: 2026-08-30
 tags: ["blowfish", "hugo", "migration", "v3"]

exampleSite/content/guides/202608-upgrade-to-blowfish-v3/index.pt-br.md

@@ -1,6 +1,7 @@
 ---
 title: "Atualize um site Hugo existente para o Blowfish 3"
 description: "Leve um site Blowfish existente para a versão 3 sem mudanças incompatíveis na configuração."
+featureimage: "featured.png"
 date: 2026-08-30
 lastmod: 2026-08-30
 tags: ["blowfish", "hugo", "migration", "v3"]

exampleSite/content/guides/202608-upgrade-to-blowfish-v3/index.pt-pt.md

@@ -1,6 +1,7 @@
 ---
 title: "Atualize um site Hugo existente para o Blowfish 3"
 description: "Passe um site Blowfish existente para a versão 3 sem alterações incompatíveis na configuração."
+featureimage: "featured.png"
 date: 2026-08-30
 lastmod: 2026-08-30
 tags: ["blowfish", "hugo", "migration", "v3"]

exampleSite/content/guides/202608-upgrade-to-blowfish-v3/index.zh-cn.md

@@ -1,6 +1,7 @@
 ---
 title: "将现有 Hugo 网站升级到 Blowfish 3"
 description: "无需进行破坏性配置更改，即可将现有 Blowfish 网站迁移到版本 3。"
+featureimage: "featured.png"
 date: 2026-08-30
 lastmod: 2026-08-30
 tags: ["blowfish", "hugo", "migration", "v3"]