Issue #57: Add NodeJS to docker

Dockerfile

@@ -11,7 +11,7 @@ WORKDIR /app
 COPY Gemfile Gemfile.lock ./
 
 RUN apt update && \
-  apt install -y libarchive13 
+  apt install -y libarchive13 nodejs
 
 # Prevent libxml2 and libxslt conflicts
 RUN bundle config build.nokogiri --use-system-libraries