Add initial implementation of Hopfield and Hamming networks with web interface

- Create Dockerfile and entrypoint script for application setup
- Implement pattern loading from Excel and weight caching
- Develop core functions for Hopfield and Hamming networks
- Add Sinatra web server for user interaction
- Create HTML interface for displaying patterns and results
- Include necessary gems in Gemfile and lockfile
- Add .dockerignore and .gitignore files

Dockerfile

@@ -0,0 +1,18 @@
+FROM ruby:3.2-slim
+
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY Gemfile Gemfile.lock ./
+RUN bundle install --jobs 4 --retry 3
+
+COPY . .
+
+RUN ruby generate_excel.rb && chmod +x entrypoint.sh
+
+EXPOSE 4567
+
+ENTRYPOINT ["/app/entrypoint.sh"]