.github: add translate workflow

.github/scripts/translate.py

@@ -0,0 +1,29 @@
+from googletrans import Translator
+
+def translate_readme(input_text, target_lang):
+    translator = Translator()
+    translated = translator.translate(input_text, dest=target_lang)
+    translated_text = translated.text
+    
+    # add hint for automatically translation
+    translated_text = f"This is an automatically translated file. Original content in [German](https://github.com/tuxbox-neutrino/buildenv/blob/3.2.4/README-de.md):\n\n{translated_text}"
+
+    # replace [Build Image](#Build-Image) with [Build Image](#build-image), Use this workaround, because translater breaks this anchor 
+    translated_text = translated_text.replace("[Build Image](#Build Image)", "[Build Image](#build-image)")
+    
+    # fix broken links
+    translated_text = translated_text.replace("devtool -reference.html", "devtool-reference.html")
+    translated_text = translated_text.replace("dev-manual -common-tasks.html", "dev-manual-common-tasks.html")
+
+    return translated_text
+
+if __name__ == "__main__":
+    input_text = open("README-de.md", "r").read()
+    target_lang = "en"  # target language is english
+    translated_text = translate_readme(input_text, target_lang)
+
+    with open("README-en.md", "w") as outfile:
+        outfile.write(translated_text)
+
+
+

.github/workflows/readme.yml

@@ -0,0 +1,42 @@
+name: Translate README
+
+on:
+  push:
+    branches:
+      - 3.2.4
+    paths:
+      - 'README-de.md'
+
+permissions:
+  contents: write
+
+jobs:
+  translate:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Setup Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.x
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install --upgrade googletrans==3.1.0a0
+
+    - name: Translate README
+      run: |
+        python .github/scripts/translate.py
+
+    - name: Commit and push translated README
+      run: |
+        git config --global user.email "actions@github.com"
+        git config --global user.name "GitHub Actions"
+        git add README-en.md
+        git commit -m "readme: Automatically translated README to English"
+        git push
+