Initial project structure with some barebones layout, CSS and JS from game-data

Dockerfile.dev

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+FROM ruby:3.4
+
+RUN gem install bundler
+
+WORKDIR /usr/src/muldap
+
+COPY Gemfile Gemfile.l*ck ./
+
+RUN bundle check || bundle install
+
+RUN gem install rake
+
+COPY . ./
+
+ENV RACK_ENV=development
+
+ENTRYPOINT ["bundle", "exec", "puma"]
+