ci: run asciidoctor on adoc demos

Author: sdkrystian

.github/workflows/ci.yml

@@ -270,7 +270,7 @@ jobs:
         uses: alandefreitas/cpp-actions/package-install@v1.5.0
         id: package-install
         with:
-          apt-get: libstdc++-12-dev
+          apt-get: libstdc++-12-dev asciidoctor
           cc: ${{ steps.setup-cpp.outputs.cc }}
           cxx: ${{ steps.setup-cpp.outputs.cxx }}
 
@@ -330,6 +330,7 @@ jobs:
               mkdir -p "demos/boost-url/$variant/$format"
               mrdox --config="$(pwd)/boost/libs/url/mrdox-$variant.yml" "$(pwd)/boost/libs/url/__build__/compile_commands.json" --addons="$(pwd)/share/mrdox/addons" --format="$format" --output="$(pwd)/demos/boost-url/$variant/$format"
             done
+            asciidoctor -D "$(pwd)/demos/boost-url/$variant/adoc-asciidoc" "$(pwd)/demos/boost-url/$variant/adoc/*.adoc"
           done
 
       - name: Update website demos