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

functions.rb

@@ -0,0 +1,20 @@
+def to_vector(matrix)
+  matrix.flatten
+end
+
+def to_matrix(vector)
+  vector.each_slice(8).to_a
+end
+
+# критерий остановки
+def vectors_equal?(v1, v2, eps = EPS)
+  v1.zip(v2).all? { |a, b| (a - b).abs < eps }
+end
+
+# вывод паттерна в терминал
+def print_pattern(vector)
+  to_matrix(vector).each do |row|
+    puts row.map { |v| v == 1 ? '█' : ' ' }.join
+  end
+end
+