Add 5 new languages to exampleSite: German, French, Spanish, Portuguese

Add complete translations for:
- German (de)
- French (fr)
- Spanish (es)
- Portuguese Brazil (pt-br)
- Portuguese Portugal (pt-pt)

Changes include:
- Language config files (languages.*.toml)
- Menu config files (menus.*.toml)
- Translated docs section (16 files x 5 langs)
- Translated homepage, guides, samples
- Translated examples, authors, tags sections
- Translated users section (112 dirs x 5 langs)
- Fixed YAML front matter formatting in user files

Hugo build now supports 9 languages total.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

exampleSite/content/_index.de.md

@@ -0,0 +1,29 @@
+---
+title: "Willkommen bei Blowfish! :tada:"
+description: "Diese Seite wurde mit dem Blowfish-Theme für Hugo erstellt."
+---
+
+
+<div class="flex px-4 py-2 mb-8 text-base rounded-md bg-primary-100 dark:bg-primary-900">
+  <span class="flex items-center pe-3 text-primary-400">
+    {{< icon "triangle-exclamation" >}}
+  </span>
+  <span class="flex items-center justify-between grow dark:text-neutral-300">
+    <span class="prose dark:prose-invert">Dies ist eine Demo des <code id="layout">background</code> Layouts.</span>
+    <button
+      id="switch-layout-button"
+      class="px-4 mx-[3px] !text-neutral !no-underline rounded-md bg-primary-600 hover:!bg-primary-500 dark:bg-primary-800 dark:hover:!bg-primary-700"
+    >
+      Layout wechseln &orarr;
+    </button>
+  </span>
+</div>
+
+
+```shell
+npx blowfish-tools
+```
+
+{{< youtubeLite id="SgXhGb-7QbU" label="Blowfish-tools Demo" >}}
+
+