Add docs gitea workflow

.gitea/workflows/docs.yaml

@@ -0,0 +1,42 @@
+name: Build documentation
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Install doxygen and make
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y doxygen make
+
+      - name: Set up python3
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.10'
+
+      - name: Install mkdocs
+        run: |
+          pip install --upgrade pip
+          pip install mkdocs mkdocs-material
+
+      - name: Build
+        run: make docs
+
+      - name: Deploy
+        env:
+          SSH_KEY: ${{ secrets.DEPLOY_SSH_KEY }}
+          REMOTE_IP: ${{ vars.DEPLOY_REMOTE_IP }}
+        run: |
+          mkdir -p ~/.ssh
+          echo "$SSH_KEY" > ~/.ssh/id_rsa
+          chmod 600 ~/.ssh/id_rsa
+          ssh-keyscan -H 10.10.10.200 >> ~/.ssh/known_hosts
+          rsync -az --delete site/ webuser@"$REMOTE_IP":/home/webuser/mop/