fix(docs): compile Jekyll docs site and add root redirect in CI (#5526)

.github/workflows/docs-deploy.yml

@@ -48,18 +48,33 @@ jobs:
       - name: Build Dokka HTML documentation
         run: ./gradlew dokkaGeneratePublicationHtml --no-configuration-cache
 
+      - name: Setup Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '4.0.4'
+          bundler-cache: true
+          working-directory: docs
+
       - name: Generate Docs Site
         run: ./gradlew generateDocsBundle validateDocsBundle publishDocsSite -Pdocs.channel=root -Pci=true
 
+      - name: Compile Jekyll Docs Site
+        run: |
+          BUNDLE_GEMFILE=docs/Gemfile bundle exec jekyll build \
+            --source build/_site \
+            --destination build/jekyll_site \
+            --baseurl /${{ github.event.repository.name }}
+          touch build/jekyll_site/.nojekyll
+
       - name: Assemble Pages artifact
         run: |
-          # Copy Dokka output into _site/api/
-          cp -r build/dokka/html build/_site/api
+          # Copy Dokka output into compiled jekyll_site/api/
+          cp -r build/dokka/html build/jekyll_site/api
 
       - name: Upload Pages Artifact
         uses: actions/upload-pages-artifact@v5
         with:
-          path: build/_site/
+          path: build/jekyll_site/
 
   deploy:
     if: github.repository == 'meshtastic/Meshtastic-Android'