ADD: mkdocs_build workflow

.gitea/workflows/mkdocs_build.yml

@@ -0,0 +1,35 @@
+name: RSE-PSI Website Scheduler
+
+on:
+  workflow_dispatch:
+  pull_request:
+  schedule:
+    - cron: "0 1 * * *"
+
+jobs:
+  checkout:
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+    
+    - name: Mkdocs build
+      run: |
+        python3 -m venv mkdocs_venv
+        source mkdocs_venv/bin/activate
+        pip install -r requirements.txt      
+        mkdocs build -d public
+    
+    - name: Configure Git
+      run: |
+        git config --global user.name "Gitea Actions"
+        git config --global user.email "actions@gitea.local"
+
+    - name: Push to gitea-pages branch
+      run: |
+        git checkout --orphan gitea-pages
+        git reset --hard
+        ls -la
+        cp -r ./public/* .
+        git add .
+        git commit -m "Deploy site"
+        git push -f https://${{secrets.GITHUB_TOKEN}}@gitea.psi.ch/${{ github.repository }}.git gitea-pages