ci: add wiki documentation sync

.gitea/workflows/documentation.yml

@@ -0,0 +1,45 @@
+name: Update Wiki Documentation
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  generate-docs:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v3
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v3
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+
+      - name: Build Markdown Docs
+        run: |
+          chmod +x gradlew
+          ./gradlew dokkaGfm
+
+      - name: Sync to Wiki
+        run: |
+          git config --global user.name "Gitea Bot"
+          git config --global user.email "bot@gitea.io"
+          
+          WIKI_URL="https://${{ gitea.token }}@gitea.archvium.eu/KrzysztofC/Retro_HA.wiki.git"
+          
+          git clone "$WIKI_URL" wiki_dir
+          
+          rm -rf wiki_dir/*
+          cp -r docs/wiki/gfm/* wiki_dir/
+          
+          cd wiki_dir
+          git add .
+          if ! git diff --cached --quiet; then
+            git commit -m "Auto-update wiki from CI/CD"
+            git push origin master
+          else
+            echo "No changes to sync."
+          fi