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

main.rb

@@ -0,0 +1,15 @@
+require_relative 'loader'
+require_relative 'functions'
+require_relative 'hopfield'
+require_relative 'hamming'
+
+EPS = 0.01
+
+PATTERNS = load_patterns('patterns.xlsx')
+
+pattern_vectors = PATTERNS.map { |_name, m| to_vector(m) }
+pattern_names   = PATTERNS.keys
+weights         = train_hopfield(pattern_vectors)
+
+puts "Эталоны загружены: #{pattern_names.join(', ')}"
+puts "Запусти веб-интерфейс: bundle exec ruby app.rb"