Initial commit: Astro 6 static blog site

- German (default) and English i18n support
- Categories and tags
- Blog posts with hero images
- Dark/light theme switcher
- View Transitions removed to fix reload ghost images
- Webmentions integration
- RSS feeds per locale

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

.forgejo/workflows/deploy.yml

@@ -0,0 +1,63 @@
+name: Deploy
+
+on:
+  push:
+    branches: [main]
+  workflow_dispatch:
+
+jobs:
+  deploy:
+    runs-on: self-hosted
+    env:
+      DEPLOY_DIR: /opt/websites/adrian-altner.de
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Sync to deploy directory
+        run: |
+          sudo rsync -a --delete \
+            --exclude='.env' \
+            --exclude='.env.production' \
+            --exclude='.git/' \
+            --exclude='node_modules/' \
+            ./ "${DEPLOY_DIR}/"
+
+      - name: Secret check
+        env:
+          WEBMENTION_TOKEN: ${{ secrets.WEBMENTION_TOKEN }}
+          WEBMENTION_APP_TOKEN: ${{ secrets.WEBMENTION_APP_TOKEN }}
+        run: |
+          echo "WEBMENTION_TOKEN length: ${#WEBMENTION_TOKEN}"
+          echo "WEBMENTION_APP_TOKEN length: ${#WEBMENTION_APP_TOKEN}"
+
+      - name: Build image
+        run: |
+          cd "${DEPLOY_DIR}"
+          sudo podman build \
+            --no-cache \
+            --build-arg WEBMENTION_TOKEN="${{ secrets.WEBMENTION_TOKEN }}" \
+            -t localhost/adrian-altner.de:latest .
+
+      - name: Restart service
+        run: sudo systemctl restart podman-compose@adrian-altner.de.service
+
+      - name: Prune
+        run: |
+          sudo podman container prune -f 2>/dev/null || true
+          sudo podman image prune --external -f 2>/dev/null || true
+          sudo podman image prune -f 2>/dev/null || true
+          sudo podman builder prune -af 2>/dev/null || true
+
+      - name: Send webmentions
+        env:
+          WEBMENTION_APP_TOKEN: ${{ secrets.WEBMENTION_APP_TOKEN }}
+        run: |
+          if [ -z "$WEBMENTION_APP_TOKEN" ]; then
+            echo "No WEBMENTION_APP_TOKEN — skipping."
+            exit 0
+          fi
+          for feed in rss.xml en/rss.xml; do
+            curl -s -X POST "https://webmention.app/check?url=https://adrian-altner.de/${feed}&token=${WEBMENTION_APP_TOKEN}" \
+              | grep -o '"status":"[^"]*"' || true
+          done