add pixelpeter profile and language-tabs plugin

Author: pixelpeter

content/authors/avatars/pixelpeter.jpg

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+---
+name: pixelpeter
+slug: pixelpeter
+github_url: https://github.com/pixelpeter
+---
+
+Full-Stack Engineer from 🇩🇪 who is in ❤️ with the TALL stack and also proficient with Javascript, Typescript, Python and a lot of other stuff because he has to 🤪. Maybe someday there will be a real [homepage](https://pixelpeter.de) 

content/authors/pixelpeter.md

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+---
+name: Language Tabs
+slug: pixelpeter-language-tabs
+author_slug: pixelpeter
+categories: [form-layout, form-field]
+description: This package is a Filament plugin that allows you to group multilingual fields into tabs. It can be configured which languages are required to be filled out.
+docs_url: 
+    v3: https://github.com/pixelpeter/filament-language-tabs/blob/main/README.md
+    v2: https://github.com/pixelpeter/filament-language-tabs/blob/v1.x/README.md
+github_repository: pixelpeter/filament-language-tabs
+has_dark_theme: true
+has_translations: false
+versions: [2, 3]
+publish_date: 2025-04-05
+---