ci: include demo build in docs pipeline

Author: helightdev

.github/workflows/mkdocs.yaml

@@ -20,6 +20,13 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: 3.x
+      - uses: subosito/flutter-action@v2
+        with:
+          channel: 'stable'
+      - name: "Install Tools"
+        run: ./.github/workflows/scripts/install-tools.sh
+      - name: "Prepare Demo Build"
+        run: ./.github/workflows/scripts/prepare-demo-build.sh
       - run: echo "cache_id=$(date --utc '+%V')" >> $GITHUB_ENV
       - uses: actions/cache@v4
         with: